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 6145-01-357-1804
NSN 5835-01-290-4397
NSN 5835-01-608-4285
NSN 5945-00-448-6876
NSN 5835-01-214-5402
NSN 6610-01-391-5092
NSN 5945-01-310-7667
NSN 5960-01-458-0774
NSN 6145-01-577-0935
NSN 5985-01-612-5444
NSN 6610-01-414-7481
NSN 6620-01-591-1761