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 6240-01-462-1874
NSN 6240-01-013-8895
NSN 5905-01-556-7937
NSN 5990-01-086-3194
NSN 6105-00-760-8204
NSN 5945-00-226-5840
NSN 6150-01-508-3673
NSN 5996-00-674-7084
NSN 4140-00-004-4544
NSN 5935-01-083-6267
NSN 6610-00-221-6124
NSN 5945-00-581-7358