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 5975-00-445-5727
NSN 4140-01-265-3736
NSN 5905-00-110-0908
NSN 6620-01-495-3536
NSN 6610-00-945-6782
NSN 7035-01-180-8256
NSN 5925-00-925-3689
NSN 6650-00-375-6632
NSN 6110-00-181-5634
NSN 5960-01-340-4487
NSN 7035-01-144-1868
NSN 6220-01-094-4441