Casehardened .001-.004 depth and draw to rockwell c scale 55 to 60
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 6105-00-515-4938
NSN 5985-01-480-2150
NSN 5835-00-707-6266
NSN 6150-00-238-7693
NSN 5999-01-020-7641
NSN 6620-01-396-2149
NSN 2925-00-231-8041
NSN 4140-01-415-3907
NSN 6145-00-935-5242
NSN 6620-00-830-3554
NSN 5855-01-010-4921
NSN 6135-01-040-1446