6 slots inside diameter, 0.825 in w, 0.380 in. Dp
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 6130-01-313-3836
NSN 6645-01-500-0827
NSN 6130-01-281-7268
NSN 2925-00-231-8041
NSN 4140-01-295-7327
NSN 6320-01-064-0372
NSN 5950-00-608-1062
NSN 2925-01-647-7225
NSN 5960-00-321-0627
NSN 5998-01-579-0119
NSN 6645-01-111-1144
NSN 6110-01-493-3063