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 6685-01-371-3050
NSN 6650-01-633-9147
NSN 7035-01-497-6875
NSN 5975-00-283-6686
NSN 5999-01-359-7393
NSN 6150-01-322-0556
NSN 5935-01-142-3152
NSN 5855-01-018-1247
NSN 5960-01-449-5726
NSN 4140-00-820-1173
NSN 5945-01-033-0260
NSN 5950-01-288-0177