WASHER (P/N s3420d2) - New Surplus

The s3420d2 is a Cessna-catalogued airframe washer designed to distribute clamp load under bolt heads and nuts in structural fastener joints. This steel washer provides a smooth bearing surface that prevents fasteners from pulling through softer materials during tightening. Installed beneath nut or bolt heads in equipment mounts, brackets, and structural assemblies.

Installation follows aircraft maintenance manual procedures and FAA AC 43.13-1B accepted practices. Verify size and Illustrated Parts Catalog compatibility before service to ensure proper load distribution and joint integrity.

What is the WASHER (P/N s3420d2)?

The s3420d2 is a Cessna-catalogued airframe washer designed to distribute clamp load under bolt heads and nuts in structural fastener joints. This steel washer provides a smooth bearing surface that prevents fasteners from pulling through softer materials during tightening.

Does the s3420d2 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 s3420d2 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 s3420d2.

Can I order the s3420d2 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.