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 6220-01-257-4427
NSN 6645-01-363-5944
NSN 6645-01-121-6952
NSN 6110-00-755-6784
NSN 6130-01-512-2247
NSN 6110-00-904-8925
NSN 5855-01-143-5468
NSN 5855-00-586-6255
NSN 6135-01-597-1901
NSN 5950-00-637-6131
NSN 6135-01-596-3145
NSN 6110-00-500-4914