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 5990-00-268-9089
NSN 6145-01-302-3119
NSN 5895-01-040-7078
NSN 4140-00-277-1531
NSN 4140-01-259-2951
NSN 5905-00-482-1855
NSN 6105-01-049-8643
NSN 5920-00-676-9113
NSN 6220-00-151-7539
NSN 5998-01-413-3461
NSN 5975-01-398-9128
NSN 6130-01-479-2198