RETAINER,PACKING (P/N ms28774-214) - New Surplus
P/N: ms28774-214
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 | 54 Available |
Product Description
The MS28774-214 is a PTFE packing retainer (back-up ring) designed to prevent O-ring extrusion in pressurized hydraulic and pneumatic systems. This anti-extrusion support ring installs behind the primary O-ring in component glands, protecting the seal under high pressure and dynamic conditions. Commonly used in hydraulic actuators, cylinders, and valve assemblies where pressure spikes could otherwise force the O-ring out of its groove.
The scarf-cut design allows proper seating per component maintenance specifications. Installation requires verifying dash size and groove dimensions against the applicable standard before assembly.
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 RETAINER,PACKING (P/N ms28774-214)?
The MS28774-214 is a PTFE packing retainer (back-up ring) designed to prevent O-ring extrusion in pressurized hydraulic and pneumatic systems. This anti-extrusion support ring installs behind the primary O-ring in component glands, protecting the seal under high pressure and dynamic conditions.
What material is the ms28774-214 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 RETAINER,PACKING meets aviation specifications for its intended use. Contact us for specific material data.
Can I order the ms28774-214 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 ms28774-214.
What is the shelf life of the ms28774-214?
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 ms28774-214.
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