Nylon mil-m-20693; 0.068 in. Min 0.069 in. Max dia; 0.090 in. Min 0.095 in. Max lg
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 4140-00-356-1979
NSN 5920-00-436-4878
NSN 5985-01-096-1083
NSN 5835-01-152-9483
NSN 6685-01-139-4944
NSN 6130-01-297-6664
NSN 5935-01-583-1050
NSN 6240-00-527-8614
NSN 6145-01-452-5841
NSN 2925-01-510-2221
NSN 6685-01-302-7273
NSN 5996-01-332-4942