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 5990-01-389-1196
NSN 5855-00-973-5717
NSN 5965-01-573-9229
NSN 5920-00-711-0767
NSN 6220-01-592-2277
NSN 6240-01-116-3382
NSN 6135-01-478-5598
NSN 4140-00-521-0380
NSN 5915-00-964-5390
NSN 5895-01-578-7779
NSN 6645-01-511-3272
NSN 6130-01-587-5581