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 4140-00-388-6829
NSN 6645-01-258-9272
NSN 5960-00-181-0640
NSN 6105-01-361-6456
NSN 5965-00-015-7408
NSN 6685-01-290-7486
NSN 5905-01-348-6475
NSN 5990-00-825-0273
NSN 5905-01-381-3742
NSN 6220-00-505-1599
NSN 6135-00-276-7625
NSN 5915-01-502-6623