WASHER,FLAT (P/N an970-4) - New Surplus
P/N: an970-4
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 | 67 Available |
Product Description
The AN970-4 is a large-area flat washer conforming to AN/NASM970 specifications for 1/4-inch fasteners. Manufactured from steel, this washer increases bearing surface beneath bolts and nuts to prevent local crushing or pull-through in thin sheet and wooden aircraft structural members. Installation involves placing the washer under the fastener head or nut before torquing per FAA AC 43.13-1B or the applicable aircraft maintenance manual.
Standard hardware for general aviation and commercial aircraft airframe assembly and repair.
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,FLAT (P/N an970-4)?
The AN970-4 is a large-area flat washer conforming to AN/NASM970 specifications for 1/4-inch fasteners. Manufactured from steel, this washer increases bearing surface beneath bolts and nuts to prevent local crushing or pull-through in thin sheet and wooden aircraft structural members.
Does the an970-4 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The WASHER,FLAT 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 an970-4 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 an970-4.
Can I order the an970-4 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The WASHER,FLAT is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.