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 6650-00-067-3572
NSN 6110-00-568-1431
NSN 6685-01-292-3597
NSN 6145-00-060-9097
NSN 6610-01-319-4987
NSN 6320-01-436-9228
NSN 6135-01-338-2281
NSN 6105-01-563-7594
NSN 5895-01-475-2339
NSN 6105-01-553-5777
NSN 5910-01-445-9128
NSN 6220-00-064-0332