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MC31C-13 (mc31c-13--mas.jpg)
Part Number MC31C-13

MC31C-13, STUD, 5/16-18X5/16-18X1-5/8

Part # MC31C-13

STUD, 5/16-18X5/16-18X1-5/8


$10.66 Retail Price: $11.83
In Stock
Must Order in Quantities of 4

Get everything you need

STUD EXTRACTOR SET

$386.79 / was $461.56

Expected ship date is 05-28-2027.
STUD DRIVER SET

TOOL135

STUD DRIVER SET

$202.66 / was $241.81

Expected ship date is 07-02-2027.

Product Details

Specifications

Approval
FAA PMA
Condition
New
Manufacturer
McFarlane Aviation
Dimensions
L: 6 x W: 5 x H: 1 in
Weight
0.0062 lbs
Unit of Measure
Each
McFarlane Part Number
MC31C-13

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
Lycoming HIO-360-E1ADHIO-360-E1ADS/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart 1618
Lycoming HIO-360-E1BDHIO-360-E1BDS/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart 1618
Lycoming HIO-360-F1ADHIO-360-F1ADS/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart 1618
Lycoming IO-360-A1B6IO-360-A1B6S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart 1618
Lycoming IO-360-A3B6DIO-360-A3B6DS/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart 1618
Lycoming IO-360-C1FIO-360-C1FS/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart 1618
Lycoming AEIO-390-A1A6AEIO-390-A1A6S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart
Lycoming AEIO-390-A1B6AEIO-390-A1B6S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart
Lycoming AEIO-390-A3A6AEIO-390-A3A6S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart
Lycoming AEIO-390-A3B6AEIO-390-A3B6S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart
Lycoming HIO-390-A1AHIO-390-A1AS/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart 1618
Lycoming IO-390-A1A6IO-390-A1A6S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart 1618
Lycoming IO-390-A1B6IO-390-A1B6S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart 1618
Lycoming IO-390-A3A6IO-390-A3A6S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart 1618
Lycoming IO-390-A3B6IO-390-A3B6S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart 1618
Lycoming IO-390-B1A6IO-390-B1A6S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart 1618
Lycoming IO-390-B1B6IO-390-B1B6S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart 1618
Lycoming IO-390-C1A6IO-390-C1A6S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart 1618
Lycoming IO-390-C1B6IO-390-C1B6S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart 1618
Lycoming IO-390-C3A6IO-390-C3A6S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart 1618
Lycoming IO-390-C3B6IO-390-C3B6S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart 1618
Lycoming IO-390-D1A6IO-390-D1A6S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart 1618
Lycoming IO-390-D1B6IO-390-D1B6S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart 1618
Lycoming IO-390-D3A6IO-390-D3A6S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart 1618
Lycoming IO-390-D3B6IO-390-D3B6S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 8Location ENGINEEligibility Chart 1618
Lycoming IO-540-G1D5IO-540-G1D5S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 12Location ENGINEEligibility Chart
Lycoming IO-540-K1E5IO-540-K1E5S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 12Location ENGINEEligibility Chart
Lycoming IO-540-S1A5IO-540-S1A5S/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 12Location ENGINEEligibility Chart
Lycoming LTIO-540-U2ALTIO-540-U2AS/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 12Location ENGINEEligibility Chart
Lycoming TIO-540-AE2ATIO-540-AE2AS/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 12Location ENGINEEligibility Chart
Lycoming TIO-540-AH1ATIO-540-AH1AS/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 12Location ENGINEEligibility Chart
Lycoming TIO-540-U2ATIO-540-U2AS/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 12Location ENGINEEligibility Chart
Lycoming AEIO-580-B1AAEIO-580-B1AS/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 12Location ENGINEEligibility Chart
Lycoming IO-580-B1AIO-580-B1AS/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 12Location ENGINEEligibility Chart
Lycoming IO-720-A1BIO-720-A1BS/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 16Location ENGINEEligibility Chart
Lycoming IO-720-D1BIO-720-D1BS/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 16Location ENGINEEligibility Chart
Lycoming IO-720-D1CIO-720-D1CS/N 0 – ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZQuantity Per Aircraft 16Location ENGINEEligibility Chart
Cross Reference

Reference only: Please verify the product is eligible for your aircraft before adding to your cart.

  • 31C-13
  • 67528
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