RETAINER,PACKING (P/N ms28774-017) - New Surplus
P/N: ms28774-017
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).
Available Inventory
| Condition | Stock |
|---|---|
| New Surplus | 6 Available |
Product Description
The MS28774-017 is a PTFE packing retainer (back-up ring) that prevents O-ring extrusion under hydraulic pressure. This scarf-cut, single-turn component conforms to SAE AS8791 material specifications and supports O-rings installed in hydraulic component grooves per MIL-G-5514 standards. The retainer mounts on the low-pressure side of the seal assembly, protecting the elastomer from damage during high-pressure cycles.
Install per aircraft maintenance manual guidance, confirming proper dash size selection before assembly in hydraulic systems.
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 ms28774-017)?
The MS28774-017 is a PTFE packing retainer (back-up ring) that prevents O-ring extrusion under hydraulic pressure. This scarf-cut, single-turn component conforms to SAE AS8791 material specifications and supports O-rings installed in hydraulic component grooves per MIL-G-5514 standards.
Does the ms28774-017 meet AN/MS/NAS aviation specifications?
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.
What material is the ms28774-017 manufactured from?
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 ms28774-017.
Can I order the ms28774-017 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The RETAINER,PACKING is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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