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 6650-01-479-1297
NSN 6130-00-426-0058
NSN 6105-01-553-6626
NSN 5950-00-590-7727
NSN 6650-00-862-2142
NSN 2925-01-136-2551
NSN 5930-01-415-6849
NSN 5998-01-541-4577
NSN 5930-01-233-6826
NSN 5998-00-591-0611
NSN 6685-01-238-1851
NSN 5985-00-141-1934