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 5950-00-136-5556
NSN 6150-01-126-6585
NSN 5999-01-323-7053
NSN 6240-00-008-5263
NSN 5965-01-277-4161
NSN 6610-01-300-4537
NSN 6650-00-267-9815
NSN 5935-01-464-3096
NSN 5960-00-837-2411
NSN 5855-01-350-4479
NSN 5990-00-113-6137
NSN 6130-01-261-6318