ORING (P/N ms28775-439) - New Surplus
P/N: ms28775-439
Category: O-Rings
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Available Inventory
| Condition | Price | Stock |
|---|---|---|
| New Surplus | $2.50 | 6 Available |
Product Description
The MS28775-439 is a mil-spec O-ring conforming to MS28775 and AS28775 standards for aircraft hydraulic systems. This nitrile rubber seal provides static sealing in hydraulic component glands operating with petroleum-based fluids like MIL-PRF-5606. The preformed packing installs in the -439 gland size and requires lubrication with compatible system fluid before installation.
Commonly referenced under NSN 5331-00-618-2267, this seal maintains pressure integrity in fixed hydraulic connections across general and commercial aviation applications. Verify gland compatibility and fluid compatibility in the aircraft maintenance manual before use.
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 ORING (P/N ms28775-439)?
The MS28775-439 is a mil-spec O-ring conforming to MS28775 and AS28775 standards for aircraft hydraulic systems. This nitrile rubber seal provides static sealing in hydraulic component glands operating with petroleum-based fluids like MIL-PRF-5606.
What material is the ms28775-439 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 ORING meets aviation specifications for its intended use. Contact us for specific material data.
Can I order the ms28775-439 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 ms28775-439.
What is the shelf life of the ms28775-439?
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 ms28775-439.
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