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 5920-01-565-9934
NSN 5965-00-768-4366
NSN 5945-01-619-4458
NSN 6320-00-593-0379
NSN 5945-00-156-6679
NSN 6650-01-478-9859
NSN 5950-00-513-9596
NSN 5985-01-593-8954
NSN 5895-00-518-0217
NSN 5975-01-233-6636
NSN 5945-01-625-0708
NSN 6685-00-575-4647