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 6610-01-332-5126
NSN 6240-01-374-5113
NSN 6320-00-857-4073
NSN 6135-01-379-8582
NSN 5895-00-373-2743
NSN 5855-01-147-6024
NSN 6150-00-169-4232
NSN 5950-01-429-1014
NSN 5975-00-816-9621
NSN 5998-00-959-4539
NSN 6130-01-322-2368
NSN 5960-00-177-2953