WASHER (P/N 402390) - New Surplus
P/N: 402390
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 402390 is a flat washer that distributes clamp load and provides a smooth bearing surface under bolt heads and nuts in aircraft structural assemblies. This washer aligns with AN960/NAS1149 specifications for aerospace fastener applications. Install the washer directly under the nut or bolt head to prevent surface damage and ensure even load distribution across airframe and avionics bracket joints.
Commonly used in aluminum and composite airframe construction where proper bearing surfaces are critical for joint 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 402390)?
The 402390 is a flat washer that distributes clamp load and provides a smooth bearing surface under bolt heads and nuts in aircraft structural assemblies. This washer aligns with AN960/NAS1149 specifications for aerospace fastener applications.
Does the 402390 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 402390 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 402390.
Can I order the 402390 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.