RETAINER,PACKING (P/N ms28774-017) - New Surplus
P/N: ms28774-017
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 | 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.
What material is the ms28774-017 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 ms28774-017 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 ms28774-017.
What is the shelf life of the ms28774-017?
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 ms28774-017.