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 5975-00-633-8532
NSN 5930-00-013-9823
NSN 5945-01-149-2428
NSN 6110-00-114-0868
NSN 5910-01-656-5929
NSN 5925-01-444-4575
NSN 5895-01-052-2130
NSN 7035-00-541-8516
NSN 5950-01-551-1202
NSN 5905-01-190-1275
NSN 5855-00-962-5792
NSN 5945-00-548-8818