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 5905-01-564-7247
NSN 5920-00-594-3124
NSN 6220-00-299-6693
NSN 5925-00-985-0908
NSN 6685-00-593-4574
NSN 5950-00-171-0311
NSN 5999-01-530-4141
NSN 5990-01-078-1294
NSN 6105-01-494-0563
NSN 7035-00-997-6212
NSN 6150-01-295-2673
NSN 6135-01-475-5204