BOLT (P/N an3-21) - New Surplus

The AN3-21 is a 3/16-inch aircraft bolt conforming to AN/NASM3 specifications. Manufactured from alloy steel with 125,000-psi minimum tensile strength, it features 10-32 UNF threads and a -21 length designation. Used to secure airframe components including brackets, control linkages, and structural assemblies.

Installation requires specified nuts or cotter-pinned hardware per aircraft drawing requirements. Verify part compatibility in the aircraft Illustrated Parts Catalog before use to ensure proper fit and airworthiness compliance.

What is the BOLT (P/N an3-21)?

The AN3-21 is a 3/16-inch aircraft bolt conforming to AN/NASM3 specifications. Manufactured from alloy steel with 125,000-psi minimum tensile strength, it features 10-32 UNF threads and a -21 length designation.

Does the an3-21 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The BOLT 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 an3-21 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 an3-21.

Can I order the an3-21 in custom quantities?

Yes, we sell hardware in various quantities from single units to bulk lots. The BOLT is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.