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 5935-01-502-5186
NSN 5905-01-643-5018
NSN 5905-01-443-4002
NSN 6135-01-093-7426
NSN 5835-01-645-2892
NSN 5905-01-389-0179
NSN 6150-00-407-0318
NSN 5998-01-621-2429
NSN 6320-00-521-9350
NSN 5998-00-390-7694
NSN 6110-00-384-1704
NSN 6105-00-838-1323