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 5975-01-552-5669
NSN 5915-01-105-3519
NSN 5895-01-542-4406
NSN 5999-01-200-5982
NSN 5915-00-263-2175
NSN 6240-00-357-0139
NSN 5855-01-042-7990
NSN 5925-01-009-9799
NSN 6135-01-353-3802
NSN 7035-00-541-8516
NSN 6145-01-512-5885
NSN 6220-01-260-1097