6 grooves 0.219 in. W by 0.312 in. Deep
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 5920-01-542-4613
NSN 6150-01-482-0211
NSN 6110-00-594-6970
NSN 6620-00-248-6950
NSN 5985-00-883-9092
NSN 5930-01-192-7912
NSN 5925-01-133-7246
NSN 5960-01-478-2672
NSN 2925-00-402-5582
NSN 6320-01-504-3948
NSN 6685-00-080-2110
NSN 6650-00-171-4175