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 6130-01-646-2598
NSN 6645-01-420-8360
NSN 5950-00-871-9546
NSN 5985-01-250-6158
NSN 5915-01-428-6681
NSN 6130-01-479-7127
NSN 6320-01-216-1678
NSN 5935-00-994-7735
NSN 5920-00-477-1449
NSN 6220-01-012-2191
NSN 6685-01-501-4901
NSN 5905-01-622-6767