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 5950-00-539-3790
NSN 6240-01-384-8802
NSN 5895-01-142-5765
NSN 5990-00-840-6571
NSN 6105-00-223-1952
NSN 6320-01-414-3515
NSN 6150-01-139-3787
NSN 4140-00-947-3918
NSN 5960-01-495-0859
NSN 2925-00-278-9468
NSN 6110-01-290-8146
NSN 6645-00-896-9430