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 5990-01-107-1003
NSN 6150-01-049-6013
NSN 6220-01-352-6132
NSN 5999-00-751-1188
NSN 5905-00-931-2171
NSN 6135-00-162-2437
NSN 2925-01-155-5444
NSN 5985-01-441-1125
NSN 6110-00-915-7627
NSN 6645-01-517-6960
NSN 5935-01-445-7762
NSN 6685-00-286-1132