P/N: ms28778-3
Category: Seals
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
| Condition | Stock |
|---|---|
| New Surplus | 14 Available |
The MS28778-3 is a nitrile rubber O-ring conforming to Military Standard MS28778 specifications for straight-thread tube fittings. With 90 Shore A hardness, this preformed packing seal provides dependable fluid containment in aircraft hydraulic ports and bosses. It installs in a machined gland following MS28778 geometry, then the fitting assembles and torques per aircraft maintenance manual procedures.
Suitable for general aviation and commercial aircraft hydraulic systems operating across standard flight temperature and pressure ranges.
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.
The MS28778-3 is a nitrile rubber O-ring conforming to Military Standard MS28778 specifications for straight-thread tube fittings. With 90 Shore A hardness, this preformed packing seal provides dependable fluid containment in aircraft hydraulic ports and bosses.
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 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 ms28778-3.
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 ms28778-3.