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Part # MC657985-1.38P012
STUD, 1/4-20X1/4-28X1-3/8O12
$17.80
Retail Price: $19.76
In Stock
In Stock
Must Order in Quantities of 2
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Product Details
Specifications
- Approval
- FAA PMA
- Condition
- New
- Manufacturer
- McFarlane Aviation
- Dimensions
- L: 6 x W: 5 x H: 1 in
- Weight
- 0.0031 lbs
- Unit of Measure
- Each
- McFarlane Part Number
- MC657985-1.38P012
Product Description
FAA-PMA approved for Continental and Lycoming engines
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
Stainless steel vs. alloy steel: is it worth the money?
Written by Dave McFarlane, Founder
WARNING: Cancer and/or Reproductive Harm - California Proposition 65 Resources
Eligible Aircraft
| Make | Model | Start S/N | End S/N | Quantity Per Aircraft | Location | Eligibility Chart |
|---|---|---|---|---|---|---|
| Continental IO-470-VO | IO-470-VO | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental O-470-G-CI | O-470-G-CI | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental O-470-U | O-470-U | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental GTSIO-520-C | GTSIO-520-C | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental GTSIO-520-D | GTSIO-520-D | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental GTSIO-520-H | GTSIO-520-H | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental GTSIO-520-L | GTSIO-520-L | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental GTSIO-520-M | GTSIO-520-M | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental GTSIO-520-N | GTSIO-520-N | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-520-A | IO-520-A | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-520-B | IO-520-B | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-520-BA | IO-520-BA | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-520-BB | IO-520-BB | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-520-C | IO-520-C | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-520-CB | IO-520-CB | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-520-D | IO-520-D | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-520-E | IO-520-E | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-520-F | IO-520-F | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-520-J | IO-520-J | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-520-K | IO-520-K | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-520-L | IO-520-L | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-520-M | IO-520-M | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-520-MB | IO-520-MB | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-520-AF | TSIO-520-AF | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-520-BB | TSIO-520-BB | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-520-BE | TSIO-520-BE | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-520-BE | TSIO-520-BE | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-520-CE | TSIO-520-CE | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-520-DB | TSIO-520-DB | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-520-EB | TSIO-520-EB | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-520-JB | TSIO-520-JB | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-520-KB | TSIO-520-KB | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-520-L | TSIO-520-L | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-520-LB | TSIO-520-LB | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-520-M | TSIO-520-M | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-520-N | TSIO-520-N | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-520-NB | TSIO-520-NB | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-520-T | TSIO-520-T | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-520-UB | TSIO-520-UB | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-520-VB | TSIO-520-VB | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-520-WB | TSIO-520-WB | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-550-A | IO-550-A | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-550-C | IO-550-C | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-550-D | IO-550-D | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-550-E | IO-550-E | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-550-F | IO-550-F | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-550-G | IO-550-G | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-550-L | IO-550-L | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-550-N | IO-550-N | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-550-P | IO-550-P | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IO-550-R | IO-550-R | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IOF-550-N | IOF-550-N | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IOF-550-P | IOF-550-P | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental IOF-550-R | IOF-550-R | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-550-A | TSIO-550-A | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-550-B | TSIO-550-B | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-550-C | TSIO-550-C | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-550-E | TSIO-550-E | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-550-G | TSIO-550-G | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-550-J | TSIO-550-J | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-550-K | TSIO-550-K | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIO-550-N | TSIO-550-N | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIOF-550-D | TSIOF-550-D | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIOF-550-J | TSIOF-550-J | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIOF-550-K | TSIOF-550-K | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIOF-550-P | TSIOF-550-P | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIOL-550-A | TSIOL-550-A | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
| Continental TSIOL-550-C | TSIOL-550-C | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Quantity Per Aircraft 24 | Location ENGINE | Eligibility Chart 7601 |
Cross Reference
Reference only: Please verify the product is eligible for your aircraft before adding to your cart.
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657985-1.38
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657985-1.38P012
