RING (1/50) (P/N ms28774-148) - New Surplus
P/N: ms28774-148
Category: General Aircraft Parts
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 MS28774-148 is a PTFE back-up ring designed to prevent O-ring extrusion in pressurized hydraulic glands. This packing retainer installs behind the O-ring on the low-pressure side, providing structural support and limiting seal displacement under system pressure. Manufactured to MS28774 specifications with a scarf cut per SAE AS8791, the ring maintains groove orientation and dash-size compatibility with standard aircraft hydraulic systems.
Essential for reliable sealing in engine, landing gear, and flight control actuators where pressure cycling occurs.
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 RING (1/50) (P/N ms28774-148)?
The MS28774-148 is a PTFE back-up ring designed to prevent O-ring extrusion in pressurized hydraulic glands. This packing retainer installs behind the O-ring on the low-pressure side, providing structural support and limiting seal displacement under system pressure.
What conditions is the ms28774-148 available in?
The ms28774-148 is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.
How do I get pricing for the ms28774-148?
The ms28774-148 requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.
Do you offer expedited shipping for the ms28774-148?
Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.
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