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 5895-01-571-8440
NSN 5965-00-630-5416
NSN 4140-00-903-5799
NSN 4140-01-106-2559
NSN 6320-00-116-3658
NSN 6685-00-960-7667
NSN 6620-00-880-1361
NSN 6220-01-543-5475
NSN 5985-01-444-4392
NSN 5999-01-562-8642
NSN 5965-01-039-2795
NSN 5905-01-227-0004