BOLT,MACHINE (P/N an4-24) - New Surplus

The AN4-24 is a 1/4-inch hex-head machine bolt conforming to AN/NASM4 specifications. Constructed from alloy steel, it features 1/4-28 UNF threads for secure fastening in aircraft structural assemblies. This bolt provides reliable strength in airframe bracket connections, wing attachments, and fuselage joints where precision fastening is critical.

Installation requires matching the correct grip length to application thickness and torquing to specification per the aircraft maintenance manual. Proper thread engagement ensures continued airworthiness and structural integrity.

What is the BOLT,MACHINE (P/N an4-24)?

The AN4-24 is a 1/4-inch hex-head machine bolt conforming to AN/NASM4 specifications. Constructed from alloy steel, it features 1/4-28 UNF threads for secure fastening in aircraft structural assemblies.

Does the an4-24 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 an4-24 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 an4-24.

Can I order the an4-24 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.