2 threaded pilot holes 0.138-32 unc-2b, both 1.226 in. Grom center
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 5855-00-337-3679
NSN 5925-01-172-9053
NSN 5998-00-193-2404
NSN 2925-01-488-5140
NSN 6130-00-508-3655
NSN 6145-01-322-7606
NSN 6145-01-477-7800
NSN 5930-01-012-1354
NSN 6105-00-283-2849
NSN 5975-00-152-9350
NSN 6610-00-419-0315
NSN 5990-01-395-4194