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 5895-00-596-8678
NSN 6105-01-408-1307
NSN 5835-00-226-7825
NSN 6145-01-367-6929
NSN 5905-01-448-9250
NSN 6645-01-245-8390
NSN 6150-01-251-3027
NSN 5835-00-148-9719
NSN 6320-01-216-1678
NSN 6105-01-067-9320
NSN 5915-01-110-5708
NSN 6685-01-446-8855