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 6220-00-403-7550
NSN 5999-01-515-3665
NSN 6135-00-182-7008
NSN 6645-00-754-4108
NSN 5905-00-932-2777
NSN 5998-00-490-7758
NSN 5998-01-511-9792
NSN 6650-00-185-3133
NSN 6110-01-375-8185
NSN 6320-01-544-6447
NSN 5960-01-442-0908
NSN 6645-00-274-5670