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WASHER-HYDRALIC, PACKING BACKU - P/N ms28777-6

WASHER-HYDRALIC, PACKING BACKU (P/N ms28777-6) - New Surplus

P/N: ms28777-6

Category: Washers

$3.00
$25.00 order minimum applies
In Stock (65 available)
Buy Now Submit RFQ Call for Pricing

Flat-rate shipping. Choose Ground or a faster service at checkout.

Flat-rate shipping covers most parts. If your order turns out to need freight or special handling, we'll contact you with the updated shipping cost before it ships. You can pay the difference or cancel for a full refund. International buyers pay any duties and import taxes.

Available Inventory

Condition Price Stock
New Surplus$3.00 65 Available

Product Description

The MS28777-6 is a leather hydraulic packing backup washer that supports seals in high-pressure glands. This secondary support element reduces seal extrusion and protects primary packing from excessive pressure. Installed in aircraft hydraulic actuators and valves adjacent to the main packing, it prevents gland damage during operation.

The washer conforms to Military Standard MS28777 specifications. Installation requires verification of gland size and orientation per the applicable component maintenance manual. Also referenced by NSN 5310-00-186-1295.

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-HYDRALIC, PACKING BACKU (P/N ms28777-6)?

The MS28777-6 is a leather hydraulic packing backup washer that supports seals in high-pressure glands. This secondary support element reduces seal extrusion and protects primary packing from excessive pressure.

What conditions is the ms28777-6 available in?

The ms28777-6 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 ms28777-6?

The ms28777-6 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 ms28777-6?

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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