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 5999-01-605-3050
NSN 5998-01-629-2388
NSN 5996-01-040-7610
NSN 6105-01-378-6165
NSN 7035-01-245-7973
NSN 5990-01-544-4360
NSN 5945-00-451-5996
NSN 5835-01-406-0513
NSN 6130-01-357-8563
NSN 5985-00-076-8960
NSN 6645-01-152-1092
NSN 6650-01-437-8852