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 5945-01-546-0273
NSN 5920-01-392-8908
NSN 5999-00-932-2509
NSN 5996-00-983-2664
NSN 6135-00-203-9645
NSN 6620-01-199-6343
NSN 6650-00-073-0269
NSN 6620-01-607-5738
NSN 5998-01-601-1836
NSN 6150-01-280-5362
NSN 5996-00-845-8990
NSN 6620-01-411-5750