PACKING (1/77) (P/N m25988-4-902) - New Surplus

The m25988-4-902 is a fluorosilicone preformed packing (O-ring) conforming to MIL-DTL-25988/4 specifications. Dash 902 designates an AS568 size standard seal for aerospace applications. This elastomeric seal provides fuel and hydrocarbon resistance with reliable performance at low temperatures, making it suitable for aircraft fuel system environments.

Installed into AS568-dimensioned glands in fuel system fittings and valves, it requires compatible lubricant and installation procedures per the applicable maintenance manual. The fluorosilicone material resists degradation from jet fuel and related fluids.

What is the PACKING (1/77) (P/N m25988-4-902)?

The m25988-4-902 is a fluorosilicone preformed packing (O-ring) conforming to MIL-DTL-25988/4 specifications. Dash 902 designates an AS568 size standard seal for aerospace applications.

What material is the m25988-4-902 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 PACKING (1/77) meets aviation specifications for its intended use. Contact us for specific material data.

Can I order the m25988-4-902 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 m25988-4-902.

What is the shelf life of the m25988-4-902?

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 m25988-4-902.