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 4140-01-606-7869
NSN 6650-00-018-7298
NSN 6685-01-574-7529
NSN 6105-01-506-1281
NSN 5925-00-682-0742
NSN 5998-00-057-3702
NSN 5960-01-179-4009
NSN 5945-00-328-1042
NSN 5910-00-910-6112
NSN 5910-00-161-8881
NSN 6135-01-180-9611
NSN 5999-00-036-6162