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 6650-01-137-3278
NSN 7035-01-649-0424
NSN 5965-01-285-2133
NSN 5915-01-559-8039
NSN 6130-00-335-9712
NSN 5920-01-130-8411
NSN 6610-01-435-4387
NSN 5950-01-141-7019
NSN 5920-01-622-4508
NSN 4140-01-537-6965
NSN 5996-01-116-1089
NSN 6130-01-222-1323