BOLT, HEX, MACHINE (P/N an5h4a) - New Surplus

The AN5H4A is a 5/16-24 UNF hex-head machine bolt conforming to AN specifications for aircraft structural fastening. Manufactured from alloy steel with a drilled head for safety-wire installation and undrilled shank. Secures control-system brackets, access panels, and structural components using self-locking nuts.

Installation requires verification of grip length, proper torque application, and safety-wire routing per aircraft maintenance manual and FAA AC 43.13-1B guidance. Standard across general and commercial aviation for reliable, vibration-resistant fastening in flight-critical applications.

What is the BOLT, HEX, MACHINE (P/N an5h4a)?

The AN5H4A is a 5/16-24 UNF hex-head machine bolt conforming to AN specifications for aircraft structural fastening. Manufactured from alloy steel with a drilled head for safety-wire installation and undrilled shank.

Does the an5h4a meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The BOLT, HEX, 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 an5h4a 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 an5h4a.

Can I order the an5h4a in custom quantities?

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