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 6240-00-437-5216
NSN 5999-01-194-4197
NSN 5855-01-620-0958
NSN 5960-01-320-7675
NSN 6610-01-093-4710
NSN 5985-00-765-1421
NSN 6645-00-200-2324
NSN 5895-01-457-3864
NSN 5910-00-100-1496
NSN 5930-00-622-9828
NSN 5985-01-630-9735
NSN 6685-00-073-8035