SEAL (P/N kb21312) - New Surplus

The kb21312 is an elastomeric seal conforming to SAE AS568 O-ring standards for aircraft fluid systems. This seal prevents leakage across static interfaces in hydraulic, fuel, and pneumatic applications. Installed in straight-thread hydraulic fittings, it maintains pressure integrity when properly seated in gland dimensions and torqued per aircraft maintenance manual specifications.

Verify compatibility with the aircraft's Illustrated Parts Catalog before installation to ensure correct sizing and application.

What is the SEAL (P/N kb21312)?

The kb21312 is an elastomeric seal conforming to SAE AS568 O-ring standards for aircraft fluid systems. This seal prevents leakage across static interfaces in hydraulic, fuel, and pneumatic applications.

What material is the kb21312 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 SEAL meets aviation specifications for its intended use. Contact us for specific material data.

Can I order the kb21312 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 kb21312.

What is the shelf life of the kb21312?

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 kb21312.