A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
Classification: Nuts of iron or steel
NSN 6110-01-171-4240
NSN 5975-01-268-9375
NSN 5998-00-700-0590
NSN 5975-01-401-5355
NSN 5895-01-069-7998
NSN 5960-01-023-8037
NSN 5975-01-582-4858
NSN 6145-01-449-1885
NSN 5835-00-063-0390
NSN 2925-01-317-4543
NSN 6145-01-426-8976
NSN 6220-01-282-4122