WASHER (P/N 31B5721-01) - New Surplus
P/N: 31B5721-01
Category: Fasteners & Hardware
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 | 3 Available |
Product Description
The 31B5721-01 is a flat washer that distributes clamp load under bolt and nut heads in aircraft structural joints. This steel washer protects mating surfaces from damage during fastener installation and prevents fastener heads from pulling through softer materials. Used in airframe brackets, control systems, and general hardware assemblies where AN or MS washer standards apply.
Install with the correct grip length and torque per the aircraft maintenance manual to ensure proper joint preload and structural 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 (P/N 31B5721-01)?
The 31B5721-01 is a flat washer that distributes clamp load under bolt and nut heads in aircraft structural joints. This steel washer protects mating surfaces from damage during fastener installation and prevents fastener heads from pulling through softer materials.
Does the 31B5721-01 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The WASHER conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.
What material is the 31B5721-01 manufactured from?
Aviation hardware is available in various materials including cadmium-plated steel, stainless steel, aluminum alloy, and titanium depending on the application. Contact us for material certification and specifications for the 31B5721-01.
Can I order the 31B5721-01 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The WASHER is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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