A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 6220-00-133-6318
NSN 6135-00-809-2148
NSN 2925-00-336-8364
NSN 6145-01-390-9015
NSN 6220-01-521-4070
NSN 6135-01-619-6293
NSN 6620-00-930-5680
NSN 5998-00-349-6024
NSN 5945-01-573-1970
NSN 6240-01-049-0970
NSN 6135-01-242-6484
NSN 6110-01-109-0434