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 5905-00-222-3784
NSN 5835-01-651-7208
NSN 5985-01-270-6072
NSN 5998-01-478-7026
NSN 6320-01-170-4068
NSN 6105-00-427-9615
NSN 4140-00-786-7377
NSN 4140-01-619-8446
NSN 5998-00-417-3026
NSN 5945-01-122-3872
NSN 5999-01-302-2410
NSN 5999-01-202-8707