BOLT: HEX HD,ST (P/N 401-320) - New Surplus

The 401-320 is a steel hex head bolt for structural fastening on Piper aircraft. This fastener secures airframe brackets and fittings on PA-28 series models and other Piper airframes. Installation requires suitable complementary hardware and torque per FAA AC 43.13-1B or the applicable maintenance manual.

Verify compatibility with the aircraft's Illustrated Parts Catalog before installation to ensure correct specification and load rating for the intended structural application.

What is the BOLT: HEX HD,ST (P/N 401-320)?

The 401-320 is a steel hex head bolt for structural fastening on Piper aircraft. This fastener secures airframe brackets and fittings on PA-28 series models and other Piper airframes.

Does the 401-320 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The BOLT: HEX HD,ST 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 401-320 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 401-320.

Can I order the 401-320 in custom quantities?

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