A locking device which is serrated on the inside and outside diameters. It may have outer serrations omitted on one or two sides for close edge installation. The inner serrations engage the mating serrations of bolts, inserts, nuts, studs or similar items to be locked in place. The outer serrations broach their way into parent material when driven or pressed into place.
NSN 4140-00-699-0904
NSN 6320-01-094-2634
NSN 6620-00-601-3885
NSN 5925-00-597-1558
NSN 5835-01-406-4066
NSN 5905-00-932-4433
NSN 5975-00-273-0790
NSN 5905-01-422-5509
NSN 6620-01-087-2354
NSN 6650-00-483-2853
NSN 6220-01-145-0198
NSN 6130-01-330-1371