BOLT,INTERNAL WRENCHING (P/N ms20004-12) - New Surplus

The MS20004-12 is an internal wrenching bolt featuring a 1/4-28 UNF thread and alloy steel construction. This military-standard fastener provides 160,000 psi minimum tensile strength for high-reliability airframe applications. The internal hex drive allows wrench access from within confined spaces where external wrenching isn't feasible.

Commonly used to secure airframe brackets, structural components, and access panels. Installation requires torque verification per the applicable aircraft maintenance manual and MS20004 specification, ensuring proper grip length and thread engagement.

What is the BOLT,INTERNAL WRENCHING (P/N ms20004-12)?

The MS20004-12 is an internal wrenching bolt featuring a 1/4-28 UNF thread and alloy steel construction. This military-standard fastener provides 160,000 psi minimum tensile strength for high-reliability airframe applications.

What conditions is the ms20004-12 available in?

The ms20004-12 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 ms20004-12?

The ms20004-12 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 ms20004-12?

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.