WASHER, INSULATOR (P/N 302-0640-350) - New Surplus
P/N: 302-0640-350
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 302-0640-350 is a nonconductive plastic insulator washer for aircraft fastener applications. This washer provides electrical isolation between a bolt or screw and the aircraft structure, preventing unwanted grounding through the fastener. Installed under the bolt head or nut during avionics tray and electrical equipment mounting, it distributes load while maintaining electrical separation.
Conforms to NAS1515 and MS3373 insulating washer specifications. Installation follows the aircraft maintenance manual and Illustrated Parts Catalog torque requirements for the specific application.
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, INSULATOR (P/N 302-0640-350)?
The 302-0640-350 is a nonconductive plastic insulator washer for aircraft fastener applications. This washer provides electrical isolation between a bolt or screw and the aircraft structure, preventing unwanted grounding through the fastener.
Does the 302-0640-350 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The WASHER, INSULATOR 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 302-0640-350 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 302-0640-350.
Can I order the 302-0640-350 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The WASHER, INSULATOR is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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