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 6610-01-281-6764
NSN 5930-00-339-7802
NSN 5920-01-619-2565
NSN 5999-00-758-5245
NSN 5985-01-156-8846
NSN 6135-01-101-5039
NSN 6320-01-436-9228
NSN 6650-00-118-5600
NSN 5975-00-938-3794
NSN 6650-01-053-8726
NSN 6145-01-408-6543
NSN 5990-00-578-8850