SEAL (P/N 531378) - New Surplus

Part 531378 is an aircraft seal designed to contain pressure and prevent leakage in hydraulic and pneumatic systems. Manufactured to AS568 O-ring sizing standards with MS28775 material specifications for aerospace service. This seal interfaces with hydraulic fittings and fluid system connections, maintaining pressure integrity across temperature and vibration cycles.

Installation requires selecting the correct AS568 size, applying compatible lubricant, and avoiding surface damage per FAA AC 43.13-1B practices. Commonly used in general aviation and commercial aircraft fluid systems where reliable sealing performance is critical.

What is the SEAL (P/N 531378)?

Part 531378 is an aircraft seal designed to contain pressure and prevent leakage in hydraulic and pneumatic systems. Manufactured to AS568 O-ring sizing standards with MS28775 material specifications for aerospace service.

What material is the 531378 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 531378 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 531378.

What is the shelf life of the 531378?

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 531378.