A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
Classification: Nuts of iron or steel
NSN 6620-01-422-2775
NSN 6135-00-405-1989
NSN 5990-01-320-1412
NSN 6685-01-609-4804
NSN 5960-01-023-3615
NSN 5960-01-014-0669
NSN 5990-01-421-5342
NSN 6130-00-422-9017
NSN 5905-01-558-7995
NSN 6135-01-142-2417
NSN 6105-01-363-9002
NSN 5965-01-321-3744