BOLT, HEX-HEAD (P/N an4c5a) - New Surplus

The AN4C5A is a 1/4-28 UNF hex-head bolt conforming to AN4 standard specifications. Manufactured from corrosion-resistant stainless steel, the "C" designation ensures superior durability in moisture-prone environments. The undrilled shank ("A" suffix) accommodates stop-nut applications, preventing fastener rotation under vibration.

Used to secure airframe brackets, system mounts, and structural assemblies where stainless hardware is required. Install with appropriate washer and nut, torqued per aircraft maintenance manual specifications. Verify compatibility with the applicable Illustrated Parts Catalog before installation.

What is the BOLT, HEX-HEAD (P/N an4c5a)?

The AN4C5A is a 1/4-28 UNF hex-head bolt conforming to AN4 standard specifications. Manufactured from corrosion-resistant stainless steel, the "C" designation ensures superior durability in moisture-prone environments.

Does the an4c5a meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The BOLT, HEX-HEAD 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 an4c5a 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 an4c5a.

Can I order the an4c5a in custom quantities?

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