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 6320-00-593-0379
NSN 6610-01-446-7635
NSN 5985-01-604-8524
NSN 5975-01-571-8930
NSN 5920-01-363-4163
NSN 6110-00-869-6337
NSN 5930-01-423-0444
NSN 6135-00-951-3426
NSN 5960-01-426-4242
NSN 6645-00-752-2939
NSN 5990-00-926-4324
NSN 6135-01-568-9107