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 6610-01-545-4080
NSN 5999-01-386-3616
NSN 6685-01-561-1881
NSN 5965-01-551-9260
NSN 6610-01-174-6820
NSN 5950-00-669-8565
NSN 5985-01-353-2431
NSN 4140-01-481-3374
NSN 5965-01-505-3716
NSN 5930-01-351-8047
NSN 5905-00-773-5181
NSN 5945-01-274-7667