O-RING, PREFORMED (P/N ms28775-221) - New Surplus, As Removed
P/N: ms28775-221
Category: O-Rings
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
Available Inventory
| Condition | Stock |
|---|---|
| New Surplus | 120 Available |
| As Removed | 1 Available |
Product Description
The MS28775-221 is a nitrile rubber O-ring conforming to Military Standard MS28775 for static sealing applications. This preformed seal maintains pressure integrity in aircraft hydraulic and oil system interfaces, including filter housing covers and fluid line connections. Operating across -65°F to 225°F, the ring provides reliable sealing in petroleum-based hydraulic systems.
Also referenced as AN6227-26 and NSN 5331-00-641-3763 for MRO inventory. Installation requires lubrication with system fluid and verification of size and material per component maintenance manual specifications.
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.
Frequently Asked Questions
What is the O-RING, PREFORMED (P/N ms28775-221)?
The MS28775-221 is a nitrile rubber O-ring conforming to Military Standard MS28775 for static sealing applications. This preformed seal maintains pressure integrity in aircraft hydraulic and oil system interfaces, including filter housing covers and fluid line connections.
What material is the ms28775-221 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 O-RING, PREFORMED meets aviation specifications for its intended use. Contact us for specific material data.
Can I order the ms28775-221 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 ms28775-221.
What is the shelf life of the ms28775-221?
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 ms28775-221.
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