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 6135-00-334-4500
NSN 5965-00-775-6496
NSN 6145-01-370-5989
NSN 5925-01-249-0912
NSN 5855-01-417-3250
NSN 6220-00-162-5047
NSN 5999-01-364-7931
NSN 6650-01-519-9165
NSN 5950-01-391-6550
NSN 6105-01-378-6165
NSN 5930-01-375-6078
NSN 5999-01-354-2540