RING BU (P/N ms28782-21) - New Surplus
P/N: ms28782-21
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 | 59 Available |
Product Description
The MS28782-21 is a PTFE backup ring designed to prevent O-ring extrusion in high-pressure hydraulic and pneumatic systems. Installed adjacent to the O-ring, this ring stabilizes the seal under system pressure and maintains integrity during operation. The PTFE material withstands elevated temperatures and fluid exposure common in aerospace applications.
Position the backup ring per MS28782 specifications and your aircraft maintenance manual during component assembly or MRO service.
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 BU (P/N ms28782-21)?
The MS28782-21 is a PTFE backup ring designed to prevent O-ring extrusion in high-pressure hydraulic and pneumatic systems. Installed adjacent to the O-ring, this ring stabilizes the seal under system pressure and maintains integrity during operation.
What conditions is the ms28782-21 available in?
The ms28782-21 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 ms28782-21?
The ms28782-21 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 ms28782-21?
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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