WASHER (P/N 656-402) - New Surplus
P/N: 656-402
Category: Washers
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Available Inventory
| Condition | Price | Stock |
|---|---|---|
| New Surplus | $1.00 | 6 Available |
Product Description
The 656-402 is a flat aircraft washer designed to distribute fastener load and protect mating surfaces in aircraft assemblies. This steel washer pairs with AN, MS, and NAS bolts and nuts, commonly used under fastener heads in avionics rack mounting and structural connections. The flat profile prevents fasteners from pulling through softer materials while maintaining even pressure distribution.
Installation follows aircraft maintenance manual specifications or FAA AC 43.13-1B guidance, using the correct washer type and torque values for the application.
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 (P/N 656-402)?
The 656-402 is a flat aircraft washer designed to distribute fastener load and protect mating surfaces in aircraft assemblies. This steel washer pairs with AN, MS, and NAS bolts and nuts, commonly used under fastener heads in avionics rack mounting and structural connections.
What conditions is the 656-402 available in?
The 656-402 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 656-402?
The 656-402 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 656-402?
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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