WASHER (P/N nas143-4) - New Surplus
P/N: nas143-4
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 | 836 Available |
Product Description
The NAS143-4 is a hardened steel flat washer conforming to National Aerospace Standard specifications. It provides a uniform bearing surface under bolt and nut heads, distributing clamp load across airframe structural joints and protecting mating materials from fastener indentation. This washer meets NAS143 requirements and cross-references with MS20002 dash equivalents for standardized aerospace applications.
Install per aircraft maintenance manual torque and fastener practices to ensure proper load distribution in critical structural connections.
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 nas143-4)?
The NAS143-4 is a hardened steel flat washer conforming to National Aerospace Standard specifications. It provides a uniform bearing surface under bolt and nut heads, distributing clamp load across airframe structural joints and protecting mating materials from fastener indentation.
Does the nas143-4 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 nas143-4 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 nas143-4.
Can I order the nas143-4 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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