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 5999-00-393-2811
NSN 6150-00-284-9133
NSN 5935-00-318-8648
NSN 5960-00-846-6619
NSN 4140-01-050-8096
NSN 6150-00-087-5222
NSN 5975-00-806-2113
NSN 6130-00-465-1644
NSN 6610-00-134-5625
NSN 6150-01-577-1248
NSN 6150-01-386-9205
NSN 5930-01-547-7472