Part Number: MC31C-12
STUD, 5/16-18X5/16-18X1-1/2
Eligibility Notice
Please verify that this product is eligible for your aircraft before adding
it to your cart.
Click here to view product eligibility.
Click here to view product eligibility.
Product Details
FAA-PMA approved for Continental and Lycoming engines
These are the good ones!
Save money and get an enhanced product with McFarlane Stainless Steel Exhaust Nuts and Studs! A heat-treated, high-strength stainless alloy improvement, these studs are nitrocarburized Black Max™ coated for additional corrosion protection and resistance to galling.The studs are tap-end studs that come in various oversized options for use on Continental and Lycoming engines.
- Lasts much longer! Save $$$ and labor!
- Less stress on the exhaust flanges and gaskets as the engine heats up and cools down
- Studs are nitrocarburized Black Max™ coating to resist galling and corrosion
- Black Max™ prevents galvanic corrosion between stainless and aluminum cylinder
See all of our Exhaust Nuts and Studs here
Supersedures
Eligibility Notice
Please verify that this product is eligible for your aircraft before adding
it to your cart.
Click here to view product eligibility.
Click here to view product eligibility.
| OEM Part Number | McFarlane Part Number | Comment |
| 31C-12 | MC31C-12 | |
| 61261 | MC31C-12 |
Related Categories
Eligible Aircraft
| Make | Series | Model | Beginning S/N | Ending S/N | Quantity Per Aircraft | Location | Eligibility Chart |
| Lycoming | 235 | O-235-C1 | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 235 | O-235-C1B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 235 | O-235-C1C | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 235 | O-235-C2A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 235 | O-235-C2C | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 235 | O-235-F2A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 235 | O-235-F2B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 235 | O-235-H2C | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 235 | O-235-J2A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 235 | O-235-K2A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 235 | O-235-K2B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 235 | O-235-K2C | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 235 | O-235-L2A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 235 | O-235-L2C | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 235 | O-235-M1 | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 235 | O-235-N2A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 235 | O-235-N2C | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 235 | O-235-P2A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 290 | O-290-D | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 290 | O-290-D2 | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 290 | O-290-D2B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 290 | O-290-D2C | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | AIO-320-B1B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | AIO-320-C1B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | IO-320-B1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | IO-320-B1C | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | IO-320-C1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | IO-320-D1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | IO-320-D1B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | IO-320-E1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | IO-320-E1B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | IO-320-E2A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | IO-320-E2B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | LIO-320-B1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | LIO-320-C1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-A2A | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
| Lycoming | 320 | O-320-A2B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-A2C | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-A2D | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-A3A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-A3B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-A3C | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-B1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-B2A | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
| Lycoming | 320 | O-320-B2B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-B2C | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-B3B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-B3C | 0 | ZZZZZZZZZZZZZZZ | 8 | ENGINE | 1618 |
| Lycoming | 320 | O-320-D1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-D1D | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-D1F | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-D2A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-D2B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-D2C | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-D2G | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-D2J | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-D3G | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-E1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-E1C | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-E1F | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-E2A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-E2B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-E2C | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-E2D | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-E2F | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-E2G | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-E2H | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-E3D | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-E3H | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-H1AD | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-H1BD | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-H2AD | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-H2BD | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-H3AD | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 320 | O-320-H3BD | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 340 | O-340-A1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 340 | O-340-A2A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 340 | O-340-B1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | AEIO-360-A1E | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | AEIO-360-B1B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | AEIO-360-B1F | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | AEIO-360-B1G6 | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | AEIO-360-B1H | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | AEIO-360-H1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | AEIO-360-H1B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | AIO-360-A1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | AIO-360-A1B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | AIO-360-B1B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | HIO-360-A1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | HIO-360-B1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | HIO-360-C1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | HIO-360-C1B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | HIO-360-D1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | HIO-360-E1AD | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | HIO-360-E1BD | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | HIO-360-F1AD | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | HIO-360-G1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | HO-360-B1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | HO-360-B1B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | HO-360-C1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-A1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-A1B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-A1B6 | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-A1B6D | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-A1C | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-A1D | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-A1D6 | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-A2A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-A2B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-A3B6D | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-B1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-B1B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-B1D | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-B1E | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-B1F | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-B2F | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-B2F6 | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-B4A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-C1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-C1B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-C1C | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-C1C6 | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-C1D6 | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-C1E6 | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-C1F | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-C1G6 | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-E1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-J1A6D | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-L2A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-M1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IO-360-M1B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | IVO-360-A1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | LIO-360-C1E6 | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | LIO-360-M1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | LO-360-A1G6D | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | LO-360-A1H6 | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | LO-360-E1A6D | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | LTO-360-E1A6D | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-A1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-A1C | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-A1D | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-A1F6 | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-A1G | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-A1H | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-A1H6 | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-A1P | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-A2A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-A2D | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-A2E | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-A2F | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-A2G | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-A3A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-A4A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-A4N | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-A4P | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-B2A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-B2C | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-C1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-C1C | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-C1E | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-C1F | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-C1G | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-C2A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-C2C | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-C2D | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-C2E | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-C4F | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-C4P | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-D2A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-D2B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-E1A6D | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-F1A6 | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | O-360-J2A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | TIO-360-A1B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | TO-360-E1A6D | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | VO-360-A1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | VO-360-A1B | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 360 | VO-360-B1A | 0 | ZZZZZZZZZZZZZZZ | 8 | Engine | 1618 |
| Lycoming | 540 | AEIO-540-D4A5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | AEIO-540-D4B5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | AEIO-540-L1B5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | AEIO-540-L1B5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | AEIO-540-L1B5D | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-A1A5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-AB1A5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-AE1A5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-AF1A5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-C1B5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-C4B5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-C4C5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-C4D5D | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-D4A5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-D4B5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-G1A5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-G1B5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-G1C5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-G1D5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-G1E5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-G1F5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-J4A5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-K1A5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-K1A5D | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-K1B5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-K1C5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-K1D5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-K1E5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-K1F5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-K1F5D | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-K1G5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-K1G5D | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-K1J5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-K1J5D | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-K1K5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-L1C5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-N1A5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-P1A5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-R1A5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-T4A5D | 0 | ZZZZZZZZZZZZZZZ | 12 | ENGINE | 1618 |
| Lycoming | 540 | IO-540-T4B5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-T4B5D | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-T4C5D | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-V4A5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-V4A5D | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-W1A5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-W1A5D | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | IO-540-W3A5D | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-A1A | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-A1A5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-A1B5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-A1C5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-A1D | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-A1D5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-A2B | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-A3D5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-A4B5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-A4D5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-A4E5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-B1A5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-B1B5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-B2B5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-B2C5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-B4B5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-E4A5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-E4B5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-E4C5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-F1B5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-G1A5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-G2A5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-H1B5D | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-H2A5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-H2B5D | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-J1A5D | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-J3A5 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-J3A5D | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-J3C5D | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | O-540-L3C5D | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | TIO-540-AA1AD | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | TIO-540-AB1AD | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | TIO-540-AF1A | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | TIO-540-AF1B | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | TIO-540-AG1A | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | TIO-540-AK1A | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | TIO-540-C1A | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | TIO-540-E1A | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | TIO-540-G1A | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 540 | TIO-540-H1A | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | 720 | IO-720-A1A | 0 | ZZZZZZZZZZZZZZZ | 16 | Engine | 1618 |
| Lycoming | 720 | IO-720-A1B | 0 | ZZZZZZZZZZZZZZZ | 16 | Engine | 1618 |
| Lycoming | 720 | IO-720-D1B | 0 | ZZZZZZZZZZZZZZZ | 16 | Engine | 1618 |
Eligibility Chart 1618 Notes:
- Oversized stud variants indicated by a "P…" suffix have identical eligibility as their base P/N.
Related Documents
PMA Lists
| McFarlane Aviation, Inc. PMA Supplement 164 |
| McFarlane Aviation, Inc. PMA Supplement 169 |
Eligibility Charts
| Engine Studs & Nuts |
WARNING: Cancer and/or Reproductive Harm - www.P65warnings.ca.gov