PACKING,PREFORMED (P/N ms28775-121) - New Surplus
P/N: ms28775-121
Category: Seals
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 | 16 Available |
Product Description
The MS28775-121 is a nitrile rubber O-ring conforming to AS568 dash-121 specifications for aircraft hydraulic systems. This preformed packing maintains static seals in hydraulic actuators and fluid system interfaces, operating reliably between -65°F and +275°F. Compatible with MIL-H-5606 hydraulic fluids, the seal prevents leakage in high-pressure applications.
Installation requires placement in the appropriate gland per aircraft maintenance manual specifications, using compatible hydraulic fluid as assembly lubricant. Follows Military Standard MS28775 for dimension and material consistency.
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 PACKING,PREFORMED (P/N ms28775-121)?
The MS28775-121 is a nitrile rubber O-ring conforming to AS568 dash-121 specifications for aircraft hydraulic systems. This preformed packing maintains static seals in hydraulic actuators and fluid system interfaces, operating reliably between -65°F and +275°F.
What material is the ms28775-121 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,PREFORMED meets aviation specifications for its intended use. Contact us for specific material data.
Can I order the ms28775-121 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 ms28775-121.
What is the shelf life of the ms28775-121?
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 ms28775-121.
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