GASKET (P/N an900-6) - New Surplus

The AN900-6 is an annular copper crush gasket conforming to MS35769-6 specifications. This single-use seal features a 3/8-inch inside diameter and 3/32-inch thickness, rated for temperatures to 500°F and pressures to 200 psi. Installed under bolt heads or straight-thread fittings in aircraft fuel systems, the copper crush design creates a pressure-tight seal on initial torquing.

Replace the gasket whenever the connection is disturbed or removed. Torque values and installation procedures follow the applicable aircraft maintenance manual for your specific airframe.

What is the GASKET (P/N an900-6)?

The AN900-6 is an annular copper crush gasket conforming to MS35769-6 specifications. This single-use seal features a 3/8-inch inside diameter and 3/32-inch thickness, rated for temperatures to 500°F and pressures to 200 psi.

What material is the an900-6 made from?

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.

Can I order the an900-6 in bulk quantities?

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 an900-6.

What is the shelf life of the an900-6?

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 an900-6.