P/N: ms28773-12
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 | 4 Available |
The MS28773-12 is a PTFE packing retainer for aircraft tube fitting seals. This component confines O-rings or preformed packings within the gland of 3/4 inch tube fittings, maintaining seal integrity during pressurized operation. Manufactured to MS28773 and SAE AS8791 specifications, the retainer ensures packing remains properly positioned in fuel, hydraulic, and pneumatic systems.
Installation follows fitting manufacturer guidance and applicable maintenance manual procedures. Verify MS28773 size compatibility 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.
The MS28773-12 is a PTFE packing retainer for aircraft tube fitting seals. This component confines O-rings or preformed packings within the gland of 3/4 inch tube fittings, maintaining seal integrity during pressurized operation.
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 ms28773-12.
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 ms28773-12.