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 6320-01-322-8340
NSN 6150-01-646-8066
NSN 5930-00-242-8461
NSN 6110-01-409-2692
NSN 6320-01-082-2459
NSN 5999-00-227-3931
NSN 6240-00-163-5143
NSN 5925-00-130-2586
NSN 5985-00-127-3343
NSN 6650-00-224-3223
NSN 6240-00-874-3533
NSN 5999-00-301-5964