No other part numbers with same form, fit, and function found.
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 6105-01-069-5088
NSN 6610-00-809-5572
NSN 6610-01-616-1334
NSN 5855-00-304-7163
NSN 5930-00-779-5630
NSN 5965-01-608-5046
NSN 5985-01-427-3734
NSN 6105-01-285-5690
NSN 6135-01-507-4346
NSN 6110-01-519-3813
NSN 5915-01-265-2167
NSN 6130-01-578-6565