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 5999-01-594-3129
NSN 5996-01-251-0526
NSN 6220-00-477-5946
NSN 6650-01-065-8531
NSN 5998-00-886-7479
NSN 6145-00-985-7843
NSN 5950-01-542-9358
NSN 5905-01-478-2881
NSN 5990-00-532-2641
NSN 5985-01-382-8247
NSN 7035-00-104-7613
NSN 5998-00-177-7941