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 6650-01-515-0391
NSN 5999-01-186-2630
NSN 6650-00-283-0978
NSN 5950-00-607-8043
NSN 5925-01-507-5704
NSN 5835-01-435-4139
NSN 6240-00-542-6657
NSN 6685-01-076-2678
NSN 6645-00-805-0066
NSN 4140-00-473-2324
NSN 6110-00-176-4404
NSN 6145-01-088-6229