BOLT,MACHINE (P/N an4-24) - New Surplus

The AN4-24 is a 1/4-inch hex-head machine bolt conforming to AN/NASM4 specifications. Constructed from alloy steel, it features 1/4-28 UNF threads for secure fastening in aircraft structural assemblies. This bolt provides reliable strength in airframe bracket connections, wing attachments, and fuselage joints where precision fastening is critical.

Installation requires matching the correct grip length to application thickness and torquing to specification per the aircraft maintenance manual. Proper thread engagement ensures continued airworthiness and structural integrity.

What is the BOLT,MACHINE (P/N an4-24)?

The AN4-24 is a 1/4-inch hex-head machine bolt conforming to AN/NASM4 specifications. Constructed from alloy steel, it features 1/4-28 UNF threads for secure fastening in aircraft structural assemblies.

What conditions is the an4-24 available in?

The an4-24 is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.

How do I get pricing for the an4-24?

The an4-24 requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.

Do you offer expedited shipping for the an4-24?

Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.