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 6135-01-264-1311
NSN 6135-01-010-0891
NSN 6645-00-276-7544
NSN 6135-01-329-7994
NSN 6610-01-175-3500
NSN 6220-01-282-3720
NSN 5950-00-848-6817
NSN 5990-01-378-7349
NSN 4140-00-272-0943
NSN 5960-00-462-0729
NSN 5998-01-258-1294
NSN 6150-01-090-0982