2 sets of 10 ratchet teeth located 180 degrees apart; ring bowed both sides 0.180-0.200 deg
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 6105-01-478-2196
NSN 6240-00-196-4518
NSN 5990-01-655-1437
NSN 5925-01-100-8474
NSN 6650-00-103-3239
NSN 5999-00-104-1698
NSN 5985-00-186-0732
NSN 5960-00-727-9840
NSN 6620-01-648-1594
NSN 6150-00-103-3214
NSN 5855-01-033-1375
NSN 6610-01-341-1598