P/N: 137904c25
Category: Fasteners & Hardware
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
| Condition | Stock |
|---|---|
| New Surplus | 5 Available |
The 137904c25 is a flat washer designed to distribute clamp load under fastener heads in aircraft structural and mechanical assemblies. This steel washer provides a smooth bearing surface that protects underlying materials from bolt head indentation during installation and vibration cycles. Commonly used under hex nuts in airframe joints, control surface attachments, and component mounting points.
Follows AN960 or NAS1149 dimensional standards depending on hole size and application requirements. Install per aircraft maintenance manual specifications, confirming washer dimensions against the Illustrated Parts Catalog before assembly.
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.
The 137904c25 is a flat washer designed to distribute clamp load under fastener heads in aircraft structural and mechanical assemblies. This steel washer provides a smooth bearing surface that protects underlying materials from bolt head indentation during installation and vibration cycles.
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.
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 137904c25.
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.