WASHER, FLAT (P/N ms28777-4) - New Surplus
P/N: ms28777-4
Category: Washers
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 | 16 Available |
Product Description
The MS28777-4 is a leather flat backup washer designed to support and retain seals in hydraulic fittings. This 1/4-inch tube size washer installs adjacent to O-rings or preformed packing to prevent seal extrusion under system pressure. Manufactured per MIL-W-5521 military specifications, the leather material provides reliable compression and support in hydraulic glands.
Installation follows the applicable component maintenance manual, with proper sizing verification to the MS28777 specification ensuring correct fit and seal integrity.
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 WASHER, FLAT (P/N ms28777-4)?
The MS28777-4 is a leather flat backup washer designed to support and retain seals in hydraulic fittings. This 1/4-inch tube size washer installs adjacent to O-rings or preformed packing to prevent seal extrusion under system pressure.
What conditions is the ms28777-4 available in?
The ms28777-4 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 ms28777-4?
The ms28777-4 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 ms28777-4?
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.