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 5985-00-831-0202
NSN 5999-00-896-5063
NSN 5855-01-413-8962
NSN 5935-00-740-8759
NSN 6685-01-019-0705
NSN 5925-01-494-9559
NSN 5965-01-391-1703
NSN 5915-00-764-0843
NSN 5975-01-133-1583
NSN 5920-00-922-1094
NSN 5915-00-736-3751
NSN 5975-00-940-7820