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 5905-01-440-5645
NSN 6135-01-100-3593
NSN 5998-00-004-7081
NSN 5985-01-474-4409
NSN 5910-01-003-0876
NSN 6650-01-358-7055
NSN 5915-01-462-4834
NSN 6110-01-322-6428
NSN 6320-01-209-0952
NSN 5998-01-391-6832
NSN 5945-01-280-1196
NSN 6610-00-671-6744