BOLT, MACHINE, HEX HEAD (P/N an3-4) - New Surplus

The AN3-4 is a hex head machine bolt conforming to AN3/NASM3 aerospace standards. This steel fastener features a 3/16-inch diameter with #10-32 UNF threads and delivers 125,000 psi minimum tensile strength. Designed to secure brackets and structural components in airframe joints and assembly points.

Installation requires proper grip length selection and torque application per maintenance manual specifications. Widely used in general and commercial aircraft structural assembly where reliable mechanical fastening is critical.

What is the BOLT, MACHINE, HEX HEAD (P/N an3-4)?

The AN3-4 is a hex head machine bolt conforming to AN3/NASM3 aerospace standards. This steel fastener features a 3/16-inch diameter with #10-32 UNF threads and delivers 125,000 psi minimum tensile strength.

Does the an3-4 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The BOLT, MACHINE, HEX HEAD 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 an3-4 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 an3-4.

Can I order the an3-4 in custom quantities?

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