BOLT,MACHINE (P/N an4-64) - New Surplus

The AN4-64 is a 1/4-inch hex-head machine bolt conforming to Army-Navy specifications for aircraft structural fastening. Manufactured from aerospace-grade alloy steel, this bolt features 1/4-28 UNF threads and provides high-strength connections in airframe joints. Install with approved washers and aircraft nuts, torquing per the applicable aircraft maintenance manual.

The AN4 series bolt is widely used in general aviation and commercial aircraft structural assemblies where reliable, repeatable fastening is required.

What is the BOLT,MACHINE (P/N an4-64)?

The AN4-64 is a 1/4-inch hex-head machine bolt conforming to Army-Navy specifications for aircraft structural fastening. Manufactured from aerospace-grade alloy steel, this bolt features 1/4-28 UNF threads and provides high-strength connections in airframe joints.

Does the an4-64 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The BOLT,MACHINE 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 an4-64 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 an4-64.

Can I order the an4-64 in custom quantities?

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