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 6145-01-256-7970
NSN 6220-01-141-6900
NSN 5835-01-470-2157
NSN 5998-01-063-7914
NSN 5998-00-393-5825
NSN 5965-00-615-7118
NSN 5920-01-401-5315
NSN 5950-01-155-8737
NSN 6135-00-856-1343
NSN 5996-00-218-1123
NSN 5925-01-382-4907
NSN 5930-01-532-5856