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 6645-00-274-1279
NSN 6685-01-166-1869
NSN 5990-00-965-0495
NSN 5990-01-206-3606
NSN 6610-01-509-0544
NSN 6135-01-386-5709
NSN 5996-01-590-7886
NSN 5975-00-222-4109
NSN 6240-00-275-1950
NSN 5935-01-024-9224
NSN 6110-00-285-1895
NSN 5930-00-905-4100