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 5999-01-166-2112
NSN 5895-01-336-3652
NSN 5835-01-248-6688
NSN 5985-01-618-3299
NSN 6240-01-146-9197
NSN 6685-01-555-3596
NSN 6145-01-148-4488
NSN 4140-01-605-1706
NSN 5996-00-303-6013
NSN 5975-01-653-9764
NSN 5975-01-143-4802
NSN 6145-00-563-7716