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 5905-01-207-6437
NSN 6150-00-604-6065
NSN 6150-01-436-1594
NSN 6650-01-347-2291
NSN 5895-01-430-1865
NSN 6645-01-367-2581
NSN 5990-01-255-7387
NSN 2925-01-633-4048
NSN 5998-00-539-2329
NSN 5895-00-307-7907
NSN 5985-00-053-1598
NSN 6105-01-573-7488