NUT,SELF-LOCKING,HEXAGON (P/N ms21045-8) - New Surplus

The MS21045-8 is a steel self-locking hexagon nut conforming to Military Standard MS21045. Its prevailing-torque design resists vibration-induced loosening in structural and systems joints. Used to secure threaded fasteners in airframe and powerplant assemblies where vibration and movement could otherwise cause fastener retreat.

The nylon insert creates consistent torque resistance across multiple install/removal cycles, though reuse is limited by torque retention requirements. Installation and inspection must follow NASM21045 specifications and applicable aircraft maintenance manual procedures.

What is the NUT,SELF-LOCKING,HEXAGON (P/N ms21045-8)?

The MS21045-8 is a steel self-locking hexagon nut conforming to Military Standard MS21045. Its prevailing-torque design resists vibration-induced loosening in structural and systems joints.

What conditions is the ms21045-8 available in?

The ms21045-8 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 ms21045-8?

The ms21045-8 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 ms21045-8?

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.