BOLT (P/N an4-16a) - New Surplus

The AN4-16A is a 1/4-inch hex head aircraft bolt manufactured from alloy steel per AN/NASM4 specifications. This undrilled shank fastener features 1/4-28 UNF threading for structural airframe assembly applications. Commonly used in clevis assemblies and control surface attachments, the bolt requires proper grip length selection during installation.

Secure using torque values specified in the aircraft maintenance manual with approved locking methods such as self-locking nuts or safety wire. The AN4 series provides reliable fastening for load-bearing connections throughout general aviation and commercial aircraft structures.

What is the BOLT (P/N an4-16a)?

The AN4-16A is a 1/4-inch hex head aircraft bolt manufactured from alloy steel per AN/NASM4 specifications. This undrilled shank fastener features 1/4-28 UNF threading for structural airframe assembly applications.

Does the an4-16a 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 an4-16a 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 an4-16a.

Can I order the an4-16a 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.