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 4140-01-520-8059
NSN 5990-01-437-4876
NSN 5998-00-185-4116
NSN 5950-01-165-2768
NSN 5985-01-599-8926
NSN 6610-01-016-9329
NSN 5985-01-422-1113
NSN 6135-00-898-6996
NSN 5835-01-380-5086
NSN 2925-01-106-3552
NSN 6130-01-094-7070
NSN 6645-01-542-3672