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 5965-01-064-7496
NSN 5975-00-284-9343
NSN 5935-01-217-0596
NSN 6150-01-580-0633
NSN 5985-01-399-8452
NSN 6150-00-054-4685
NSN 2925-00-890-9837
NSN 5920-01-021-9175
NSN 6610-00-244-2816
NSN 5996-01-218-5678
NSN 6135-01-361-3886
NSN 5950-01-181-5973