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 6105-01-437-5032
NSN 5998-01-435-6153
NSN 5965-01-064-4403
NSN 5965-00-630-5416
NSN 4140-01-023-8098
NSN 6645-00-819-5045
NSN 6620-01-048-4145
NSN 6135-01-648-4875
NSN 5910-01-523-6298
NSN 6130-01-492-6756
NSN 2925-00-906-0421
NSN 6130-01-085-7314