BOLT, HEX, MACHINE (P/N an4-22) - New Surplus, As Removed

The AN4-22 is a 1/4-inch hex head machine bolt with 1/4-28 UNF threads and a drilled shank for cotter pin retention. Measuring 2-9/32 inches overall with a 1-13/16 inch grip length, this steel fastener conforms to AN/NASM4 aerospace standards. Commonly used in aircraft control system clevises and shear joint applications, the AN4-22 installs with a castellated nut and cotter pin as specified in maintenance documentation.

The drilled shank design ensures positive locking when properly installed. Verify grip length eligibility and application requirements in the aircraft Illustrated Parts Catalog before installation.

What is the BOLT, HEX, MACHINE (P/N an4-22)?

The AN4-22 is a 1/4-inch hex head machine bolt with 1/4-28 UNF threads and a drilled shank for cotter pin retention. Measuring 2-9/32 inches overall with a 1-13/16 inch grip length, this steel fastener conforms to AN/NASM4 aerospace standards.

Does the an4-22 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The BOLT, HEX, 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 an4-22 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 an4-22.

Can I order the an4-22 in custom quantities?

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