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 6620-01-423-0833
NSN 6685-01-213-5161
NSN 5999-01-586-0126
NSN 6220-01-100-5093
NSN 5999-01-430-3510
NSN 6620-00-010-8190
NSN 5935-00-428-5135
NSN 5905-01-540-4738
NSN 4140-00-405-8044
NSN 6145-01-332-4553
NSN 6610-01-018-0648
NSN 6650-00-153-3155