P/N: ms28777-12
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 |
|---|---|
| As Removed | 2 Available |
The MS28777-12 is a metal seal ring (hydraulic back-up washer) conforming to Military Standard MS28777. This component supports O-rings and preformed packings in pressurized hydraulic glands by limiting extrusion under service pressure. Installed adjacent to elastomer seals in aircraft hydraulic fittings and actuator assemblies, the MS28777-12 maintains packing integrity during operation.
Installation follows MIL-W-5521 specifications and applicable component maintenance manuals. The part resists extrusion forces in high-pressure hydraulic systems common to general and commercial aircraft.
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 MS28777-12 is a metal seal ring (hydraulic back-up washer) conforming to Military Standard MS28777. This component supports O-rings and preformed packings in pressurized hydraulic glands by limiting extrusion under service pressure.
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 RING,METAL 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 ms28777-12.
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 ms28777-12.