BOLT,MACHINE (P/N an4-5) - New Surplus, New

The AN4-5 is a 1/4-inch hex head machine bolt conforming to Aeronautical Standard specifications. It features 1/4-28 UNF-3A threads and a drilled shank for safety wire installation. Manufactured from alloy steel to meet AN bolt requirements for aircraft structural applications.

Used in airframe assemblies, control surfaces, and engine mount connections where reliable fastening and safety wire capability are essential. The drilled shank allows positive locking during maintenance procedures.

What is the BOLT,MACHINE (P/N an4-5)?

The AN4-5 is a 1/4-inch hex head machine bolt conforming to Aeronautical Standard specifications. It features 1/4-28 UNF-3A threads and a drilled shank for safety wire installation.

Does the an4-5 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 an4-5 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 an4-5.

Can I order the an4-5 in custom quantities?

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