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 5920-00-247-3830
NSN 6240-00-426-1972
NSN 5905-01-219-0304
NSN 6130-00-840-4666
NSN 5925-01-604-9139
NSN 5920-01-070-8089
NSN 6610-01-425-1523
NSN 6240-01-444-0720
NSN 6620-01-461-3550
NSN 5915-00-932-3040
NSN 6110-00-623-9521
NSN 6645-00-177-0826