RING BU (P/N ms28774-216) - New Surplus
P/N: ms28774-216
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 | 25 Available |
Product Description
The MS28774-216 is a PTFE back-up ring conforming to MS28774 specifications. This component supports O-rings and prevents extrusion under high pressure in aerospace sealing glands. The single-turn, scarf-cut design meets MIL-G-5514/AS4716 requirements for precision gland applications.
Commonly installed in hydraulic components, the back-up ring positions adjacent to the O-ring within the groove. Installation orientation follows the applicable maintenance or component overhaul manual. Verify gland dimensions against MS28774 standards before assembly to ensure proper fit and sealing performance.
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 ms28774-216)?
The MS28774-216 is a PTFE back-up ring conforming to MS28774 specifications. This component supports O-rings and prevents extrusion under high pressure in aerospace sealing glands.
What conditions is the ms28774-216 available in?
The ms28774-216 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 ms28774-216?
The ms28774-216 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 ms28774-216?
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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