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 5920-01-112-0730
NSN 5960-01-210-9762
NSN 6145-01-436-0285
NSN 6105-01-459-7902
NSN 7035-00-088-7355
NSN 5990-01-472-2447
NSN 5930-01-394-9470
NSN 6620-01-539-5188
NSN 5999-01-319-6828
NSN 6150-01-017-3132
NSN 7035-00-803-3056
NSN 5935-01-008-9462