NUTPLATE (P/N ms21078-4) - New Surplus

The MS21078-4 is a self-locking nutplate with two lugs and 1/4-28 UNF threads conforming to military standard MS21078. The steel nut element incorporates a nonmetallic locking insert to prevent fastener loosening under vibration. Installed using two rivets through the lugs, this nutplate secures fasteners behind panels, brackets, and structural components in aircraft airframes.

Common in production assembly and MRO maintenance, it eliminates the need for separate locking devices. Torque the mating fastener per aircraft maintenance manual specifications.

What is the NUTPLATE (P/N ms21078-4)?

The MS21078-4 is a self-locking nutplate with two lugs and 1/4-28 UNF threads conforming to military standard MS21078. The steel nut element incorporates a nonmetallic locking insert to prevent fastener loosening under vibration.

What conditions is the ms21078-4 available in?

The ms21078-4 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 ms21078-4?

The ms21078-4 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 ms21078-4?

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.