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 6135-01-171-9299
NSN 6145-01-170-5286
NSN 5960-00-462-4050
NSN 6320-00-336-9123
NSN 5965-00-372-2537
NSN 5960-00-919-6546
NSN 5975-00-115-8790
NSN 5950-01-034-7512
NSN 5996-01-327-0220
NSN 7035-01-549-6765
NSN 6110-01-068-3982
NSN 5905-01-606-6733