P/N: 21051
Category: Gaskets
Flat-rate shipping. Choose Ground or a faster service at checkout.
Flat-rate shipping covers most parts. If your order turns out to need freight or special handling, we'll contact you with the updated shipping cost before it ships. You can pay the difference or cancel for a full refund. International buyers pay any duties and import taxes.
| Condition | Price | Stock |
|---|---|---|
| New Surplus | $3.00 | 3 Available |
Part 21051 is an expanded PTFE gasket designed to seal mating surfaces on aircraft access panels and removable structures. This gasket minimizes fluid and air leakage at flanged connections where environmental sealing is critical. Manufactured to SAE AMS3255 material specifications, it provides reliable performance across temperature and pressure variations.
Installation requires clean, flat mating surfaces and fastener torque per the aircraft maintenance manual. Commonly used in engine compartment access covers, inspection panels, and system enclosures on general and commercial aviation aircraft.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
Part 21051 is an expanded PTFE gasket designed to seal mating surfaces on aircraft access panels and removable structures. This gasket minimizes fluid and air leakage at flanged connections where environmental sealing is critical.
Aircraft seals and O-rings are manufactured from various elastomers including nitrile (Buna-N), fluorocarbon (Viton), silicone, and PTFE depending on the application. The GASKET meets aviation specifications for its intended use. Contact us for specific material data.
Yes, we stock seals and gaskets in quantity and offer bulk pricing. Submit a Request for Quote (RFQ) for volume orders, or call (904) 998-9101 for immediate quantity availability on the 21051.
Elastomeric seals have manufacturer-specified shelf lives that vary by material and storage conditions. We follow industry standards for cure date tracking and proper climate-controlled storage. Contact us for shelf life details on the 21051.