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 5990-01-103-3572
NSN 4140-01-408-7760
NSN 4140-01-425-2934
NSN 6130-01-514-8081
NSN 6650-01-607-1283
NSN 5905-01-572-7874
NSN 5945-01-145-6329
NSN 6145-00-900-7081
NSN 5998-01-591-2138
NSN 5855-01-003-7102
NSN 5895-00-745-7800
NSN 5930-01-051-6071