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 6220-01-629-7879
NSN 6135-00-643-4843
NSN 6240-00-861-2592
NSN 6620-01-523-7245
NSN 5950-01-539-3917
NSN 5950-01-223-3562
NSN 6135-00-553-7995
NSN 6685-01-307-7465
NSN 7035-00-238-3662
NSN 5975-01-422-2033
NSN 5920-01-258-5775
NSN 6135-01-048-0910