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 6135-01-035-1871
NSN 4140-00-381-4563
NSN 6240-01-470-7706
NSN 5930-01-472-2291
NSN 5835-01-355-3654
NSN 6240-00-290-4185
NSN 5985-01-227-2646
NSN 5920-01-351-5536
NSN 6135-01-514-9327
NSN 6145-01-273-0077
NSN 5996-01-560-9455
NSN 5835-01-608-8868