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 6320-01-209-0952
NSN 5910-00-470-1579
NSN 5996-01-173-0602
NSN 6220-01-472-0614
NSN 5925-00-074-9180
NSN 6145-00-377-0971
NSN 5855-01-373-7538
NSN 5950-01-291-1387
NSN 5950-01-357-5583
NSN 6220-01-450-0083
NSN 4140-01-519-9343
NSN 5905-01-358-2853