BOLT-.4375-20 X 4.59 LG-HEX HD (P/N an7-44) - New Surplus

The AN7-44 is a 7/16-20 UNF hex head aircraft bolt, 4.59 inches long, manufactured from alloy steel with a drilled shank for safety wire or cotter pin locking. This bolt conforms to AN dimensions and NASM6812 specifications for airframe structural applications. The drilled shank allows positive mechanical locking, preventing fastener loosening from vibration during flight.

Commonly used to secure airframe structural fittings, control surface attachments, and load-bearing connections where a 7/16-20 bolt is specified. Installation requires torque per FAA AC 43.13-1B and your aircraft maintenance manual.

What is the BOLT-.4375-20 X 4.59 LG-HEX HD (P/N an7-44)?

The AN7-44 is a 7/16-20 UNF hex head aircraft bolt, 4. 59 inches long, manufactured from alloy steel with a drilled shank for safety wire or cotter pin locking.

Does the an7-44 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The BOLT-.4375-20 X 4.59 LG-HEX HD 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 an7-44 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 an7-44.

Can I order the an7-44 in custom quantities?

Yes, we sell hardware in various quantities from single units to bulk lots. The BOLT-.4375-20 X 4.59 LG-HEX HD is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.