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 6145-00-401-3518
NSN 6620-00-266-2763
NSN 5996-01-381-2876
NSN 6650-00-454-8230
NSN 4140-01-461-9345
NSN 6320-00-222-1468
NSN 5960-01-472-9562
NSN 5960-00-228-0060
NSN 5835-01-150-6084
NSN 6110-01-076-6155
NSN 5855-01-020-7982
NSN 5985-01-634-0635