P/N: ms28774-136
Category: Studs, Inserts & Fastener Hardware
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 | 9 Available |
The MS28774-136 is a PTFE packing retainer (backup ring) manufactured to Military Standard MS28774 specifications. This scarf-cut single-turn component supports O-rings in aerospace hydraulic sealing glands, preventing extrusion and limiting seal wear under pressure. Installed alongside an O-ring in hydraulic fittings and component interfaces, the retainer stabilizes the seal during high-pressure cycles.
Construction follows SAE-AS8791 PTFE material standards. Install in the gland per the component maintenance manual, verifying dash-number dimensions match your application requirements.
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 MS28774-136 is a PTFE packing retainer (backup ring) manufactured to Military Standard MS28774 specifications. This scarf-cut single-turn component supports O-rings in aerospace hydraulic sealing glands, preventing extrusion and limiting seal wear under pressure.
Aircraft hardware is manufactured to military and aviation specifications. The RETAINER,PACKING conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.
Aviation hardware is available in various materials including cadmium-plated steel, stainless steel, aluminum alloy, and titanium depending on the application. Contact us for material certification and specifications for the ms28774-136.
Yes, we sell hardware in various quantities from single units to bulk lots. The RETAINER,PACKING is available in: As Removed. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.