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 5990-01-012-0613
NSN 5905-01-252-9097
NSN 5930-01-278-3141
NSN 5999-01-525-7342
NSN 5975-01-424-0314
NSN 5990-01-038-5020
NSN 6135-01-010-0891
NSN 5998-01-379-1000
NSN 6240-00-435-0433
NSN 6645-00-296-8310
NSN 6220-01-433-9502
NSN 6685-00-827-1706