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WASHER (P/N nta11551-4napu) - New Surplus

P/N: nta11551-4napu

Category: Fasteners & Hardware

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In Stock (19 available)
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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 19 Available

Product Description

The nta11551-4napu is an aircraft washer that distributes clamp load uniformly under bolt heads and nuts in fastened joints. This component prevents bearing surface damage and embedding during torque application on airframe structures. Typically manufactured from aluminum or steel per AN960 or NAS1149 specifications, the washer maintains load integrity across multiple fastener stacks.

Install per FAA AC 43.13-1B guidance and your aircraft maintenance manual, selecting the appropriate size to match bolt diameter and joint requirements.

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 nta11551-4napu)?

The nta11551-4napu is an aircraft washer that distributes clamp load uniformly under bolt heads and nuts in fastened joints. This component prevents bearing surface damage and embedding during torque application on airframe structures.

Does the nta11551-4napu 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 nta11551-4napu 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 nta11551-4napu.

Can I order the nta11551-4napu 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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