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 6110-01-321-9126
NSN 6650-00-375-6632
NSN 7035-00-096-9986
NSN 5920-01-607-3139
NSN 6685-01-563-5713
NSN 5998-01-097-4779
NSN 5895-01-474-5971
NSN 6610-00-598-5268
NSN 5975-01-659-5724
NSN 5895-01-135-5171
NSN 5965-00-013-7990
NSN 6150-01-158-6152