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 6620-01-520-4186
NSN 5910-01-191-1970
NSN 5975-00-299-1202
NSN 6220-00-704-9823
NSN 5910-01-050-8185
NSN 5945-00-764-7039
NSN 5960-01-375-6815
NSN 6145-01-266-9237
NSN 5905-01-577-0026
NSN 5999-01-054-1384
NSN 6220-00-528-7752
NSN 5950-00-146-8775