BOLT, MACHINE (P/N an6-25) - New Surplus

The AN6-25 is a hex-head machine bolt conforming to AN-series aircraft standards. Manufactured from alloy steel with 3/8-24 UNF-3A threads, this fastener measures approximately 2-45/64 inches overall length with a 2-1/16 inch grip section. Designed for primary airframe structural joints and control system bellcrank assemblies where reliable fastening under vibration and flight loads is critical.

Installation requires compliance with FAA AC 43.13-1B torque specifications and safety-wire practices. Verify correct size and grip length against your aircraft's Illustrated Parts Catalog before assembly.

What is the BOLT, MACHINE (P/N an6-25)?

The AN6-25 is a hex-head machine bolt conforming to AN-series aircraft standards. Manufactured from alloy steel with 3/8-24 UNF-3A threads, this fastener measures approximately 2-45/64 inches overall length with a 2-1/16 inch grip section.

Does the an6-25 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The BOLT, 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 an6-25 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 an6-25.

Can I order the an6-25 in custom quantities?

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