WASHER (P/N ewr81) - New Surplus
P/N: ewr81
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 | 1 Available |
Product Description
The ewr81 is a flat washer that distributes clamp load and provides a smooth bearing surface under bolt heads and hex nuts in aircraft bolted joints. This steel washer prevents fastener rotation and helps align castellated-nut cotter pins during airframe and equipment mounting. Conforming to AN960/NAS1149 specifications, it's available in steel, stainless steel, or aluminum depending on application requirements.
Installation follows FAA AC 43.13-1B guidance and applicable maintenance manuals for proper joint assembly and airworthiness compliance.
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 ewr81)?
The ewr81 is a flat washer that distributes clamp load and provides a smooth bearing surface under bolt heads and hex nuts in aircraft bolted joints. This steel washer prevents fastener rotation and helps align castellated-nut cotter pins during airframe and equipment mounting.
Does the ewr81 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 ewr81 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 ewr81.
Can I order the ewr81 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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