Product Details
5/16-24 Engine nut.
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 | Qty/Aircraft | Location | Eligibility Chart |
|---|---|---|---|---|---|---|
| Lycoming | TVO-435-A1A | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | TVO-435-B1A | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | VO-435-A1B | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | VO-435-A1C | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | VO-435-A1D | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | VO-435-A1E | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | VO-435-A1F | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | GO-480 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | GO-480-B | 0 | ZZZZZZZZZZZZZZZ | 12 | ENGINE | 1618 |
| Lycoming | GO-480-B1A6 | 0 | ZZZZZZZZZZZZZZZ | 12 | ENGINE | 1618 |
| Lycoming | GO-480-B1B | 0 | ZZZZZZZZZZZZZZZ | 12 | ENGINE | 1618 |
| Lycoming | GO-480-B1C | 0 | ZZZZZZZZZZZZZZZ | 12 | ENGINE | 1618 |
| Lycoming | GO-480-B1D | 0 | ZZZZZZZZZZZZZZZ | 12 | ENGINE | 1618 |
| Lycoming | GO-480-D1A | 0 | ZZZZZZZZZZZZZZZ | 12 | ENGINE | 1618 |
| Lycoming | GO-480-F1A6 | 0 | ZZZZZZZZZZZZZZZ | 12 | ENGINE | 1618 |
| Lycoming | GO-480-F2A6 | 0 | ZZZZZZZZZZZZZZZ | 12 | ENGINE | 1618 |
| Lycoming | GO-480-F4A6 | 0 | ZZZZZZZZZZZZZZZ | 12 | ENGINE | 1618 |
| Lycoming | GSO-480-A1A6 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | GSO-480-A2A6 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | GSO-480-B1A6 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | GSO-480-B1B6 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | GSO-480-B1C6 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | GSO-480-B1E6 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | GSO-480-B1J6 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | GSO-480-B2D6 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | IGSO-480-A1A6 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | IGSO-480-A1B6 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | IGSO-480-A1C6 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | IGSO-480-A1D6 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | IGSO-480-A1E6 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | IGSO-480-A1F6 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | IGO-540-A1A | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | IGO-540-A1C | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | IGO-540-B1A | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | IGO-540-B1C | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | IGSO-540-A1A | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | IGSO-540-A1C | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | IGSO-540-A1D | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | IGSO-540-A1E | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | IGSO-540-A1H | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | IGSO-540-B1A | 0 | ZZZZZZZZZZZZZZZ | 18 | Engine | 1618 |
| Lycoming | IGSO-540-B1C | 0 | ZZZZZZZZZZZZZZZ | 18 | Engine | 1618 |
| Lycoming | TIVO-540-A2A | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | VO-540-A1A | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | VO-540-A2A | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | VO-540-B1A | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | VO-540-B1B3 | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | VO-540-B1C | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | VO-540-B1D | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | VO-540-B2A | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | VO-540-B2C | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | VO-540-B2D | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | VO-540-C1A | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | VO-540-C1B | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | VO-540-C2A | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
| Lycoming | VO-540-C2B | 0 | ZZZZZZZZZZZZZZZ | 12 | Engine | 1618 |
Part Number Information
Supersedes Part Numbers
STD-37
Cross-reference information
Cross Reference Reference only: Please verify the product is eligible for your aircraft before adding to your cart. OEM Part Number McFarlane Part Number Comment STD-37 MCSTD-37
Additional product information
Approval: FAA PMA SupersedesPartNumber: STD-37
