BOLT, MACHINE (P/N an5-37a) - New Surplus

The AN5-37A is a steel hex-head machine bolt conforming to AN (Army-Navy) specifications for aircraft structural fastening. It features a 5/16-24 UNF thread with an undrilled shank (designated 'A'), designed for use with self-locking nuts in airframe joints. This fastener provides reliable load-bearing connections in fuselage, wing, and empennage assemblies where AN-standard bolts are specified.

Installation requires selecting the correct grip length, applying proper torque per FAA AC 43.13-1B standards, and following the applicable aircraft maintenance manual procedures.

What is the BOLT, MACHINE (P/N an5-37a)?

The AN5-37A is a steel hex-head machine bolt conforming to AN (Army-Navy) specifications for aircraft structural fastening. It features a 5/16-24 UNF thread with an undrilled shank (designated 'A'), designed for use with self-locking nuts in airframe joints.

Does the an5-37a 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 an5-37a 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 an5-37a.

Can I order the an5-37a 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.