BOLT (P/N an4h13a) - New Surplus

The AN4H13A is a 1/4-inch hex-head aircraft bolt conforming to AN/NASM standards. Constructed from alloy steel with a drilled head for safety wire installation and an undrilled shank, this fastener features 1/4-28 UNF threads and measures 1-13/32 inches in length. Designed for airframe joints and control linkages requiring positive retention.

Install with the appropriate nut, apply specified torque, and safety-wire the head as required by maintenance documentation. Verify compatibility with the aircraft's Illustrated Parts Catalog before installation.

What is the BOLT (P/N an4h13a)?

The AN4H13A is a 1/4-inch hex-head aircraft bolt conforming to AN/NASM standards. Constructed from alloy steel with a drilled head for safety wire installation and an undrilled shank, this fastener features 1/4-28 UNF threads and measures 1-13/32 inches in length.

Does the an4h13a meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The BOLT 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 an4h13a 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 an4h13a.

Can I order the an4h13a in custom quantities?

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