A nonmetallic unthreaded item generally round in cross-sectional shape which, when placed on/in a machined-out portion of the threads of a screw or bolt, or inserted into the machined-out portion of the threads of a nut, locks the item, to which it is fixed, to the attached mating member and prevents loosening during excessive vibration. Excludes bolt, self-locking; nut, self-locking (as modified); screw, self-locking; and insert, screw thread.
NSN 5998-01-207-5080
NSN 6135-01-551-0562
NSN 5985-00-854-0849
NSN 5895-00-409-2815
NSN 6240-01-476-7935
NSN 5960-00-392-6291
NSN 6685-01-641-3191
NSN 6610-00-915-0574
NSN 6110-01-400-4207
NSN 5855-00-481-0019
NSN 5998-00-035-5308
NSN 6130-01-353-3261