A locking device with two keys spaced approximately 180 degrees center to center and protruding from the seating surface of the ring. When installed the keys mate with companion keyways in the external threads of screw thread inserts, locked-in studs, or similar type items, and cut through sufficient threads of the parent material tapped hole to provide a positive lock between the threaded bodies.
NSN 6110-00-456-9506
NSN 5945-01-030-8035
NSN 6110-00-521-8932
NSN 5985-01-350-2945
NSN 5935-01-650-3376
NSN 6650-00-126-3002
NSN 5965-01-088-5414
NSN 6145-01-538-7185
NSN 6130-01-227-8408
NSN 5910-00-624-3872
NSN 5945-01-414-0324
NSN 6110-01-195-6194