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 5835-01-631-7390
NSN 6105-00-406-7981
NSN 6240-01-485-0008
NSN 6110-00-403-7118
NSN 6650-01-437-8852
NSN 6685-01-090-4392
NSN 5915-01-032-4475
NSN 5990-01-586-2475
NSN 5960-01-360-3639
NSN 5998-01-653-9452
NSN 4140-00-686-4894
NSN 5835-00-804-0569