P/N: ms28773-06
Category: Seals
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
| Condition | Stock |
|---|---|
| New | 4 Available |
| New Surplus | 48 Available |
The ms28773-06 is a PTFE packing retainer (back-up ring) conforming to MS28773 specifications for aircraft hydraulic and pneumatic fittings. This component supports an O-ring and prevents extrusion under system pressure in tube fitting glands. The scarf-cut design enables straightforward installation into component grooves.
Positioned directly behind the O-ring seal, the retainer maintains pressure integrity in hydraulic lines, fuel systems, and pneumatic circuits across general aviation and commercial aircraft. Install per component maintenance manual and applicable MS/SAE standards.
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 ms28773-06 is a PTFE packing retainer (back-up ring) conforming to MS28773 specifications for aircraft hydraulic and pneumatic fittings. This component supports an O-ring and prevents extrusion under system pressure in tube fitting glands.
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.
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 ms28773-06.
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 ms28773-06.