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 6130-01-133-0848
NSN 6650-01-443-3668
NSN 5835-01-618-6208
NSN 5920-01-145-5362
NSN 7035-00-295-0451
NSN 5975-01-188-7901
NSN 6135-00-309-0074
NSN 6610-01-364-0197
NSN 5905-00-422-0308
NSN 5990-00-107-0835
NSN 6650-01-564-6681
NSN 5975-01-363-5524