BOLT, MACHINE, CLOSE TOLERANCE (P/N an174-13) - New Surplus

The AN174-13 is a close-tolerance machine bolt designed for precision-fit aircraft joints. This steel fastener features a hex head and drilled shank, enabling positive torque application and positive locking (safetying) in critical airframe assemblies. Commonly used in airframe hinge brackets and structural connections requiring snug-fit fasteners.

Installation requires verification of grip length and proper torque per aircraft maintenance manual specifications and FAA AC 43.13-1B accepted practices.

What is the BOLT, MACHINE, CLOSE TOLERANCE (P/N an174-13)?

The AN174-13 is a close-tolerance machine bolt designed for precision-fit aircraft joints. This steel fastener features a hex head and drilled shank, enabling positive torque application and positive locking (safetying) in critical airframe assemblies.

Does the an174-13 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The BOLT, MACHINE, CLOSE TOLERANCE 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 an174-13 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 an174-13.

Can I order the an174-13 in custom quantities?

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