BOLT,MACHINE (P/N an4-30a) - New Surplus

The AN4-30A is a 1/4-inch hex-head machine bolt conforming to AN specifications with 1/4-28 UNF-3A threads and an undrilled shank. Manufactured from alloy steel for aircraft structural applications, this bolt provides reliable fastening in airframe assemblies including bracket and hinge attachments. Install with AN-standard nuts and torque per FAA AC 43.13-1B guidance.

Suitable for general aviation and commercial aircraft maintenance.

What is the BOLT,MACHINE (P/N an4-30a)?

The AN4-30A is a 1/4-inch hex-head machine bolt conforming to AN specifications with 1/4-28 UNF-3A threads and an undrilled shank. Manufactured from alloy steel for aircraft structural applications, this bolt provides reliable fastening in airframe assemblies including bracket and hinge attachments.

Does the an4-30a 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 an4-30a 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 an4-30a.

Can I order the an4-30a 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.