BOLT: HEX HD,ST (P/N 401-971) - New Surplus

The 401-971 is a hex-head steel bolt conforming to MS20074-05-06 specifications. This drilled-head fastener provides secure fastening in aircraft structural and mechanical assemblies. Commonly used in alternator support brackets and engine accessory mounting on Piper PA-28-181 aircraft.

The bolt features a hex head design with a drilled shank for safety-wire retention, meeting Military Standard MS20074 requirements for aviation fastening. Installation should follow aircraft maintenance manual torque specifications and acceptable practices outlined in AC 43.13-1B.

What is the BOLT: HEX HD,ST (P/N 401-971)?

The 401-971 is a hex-head steel bolt conforming to MS20074-05-06 specifications. This drilled-head fastener provides secure fastening in aircraft structural and mechanical assemblies.

What conditions is the 401-971 available in?

The 401-971 is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.

How do I get pricing for the 401-971?

The 401-971 requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.

Do you offer expedited shipping for the 401-971?

Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.