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 6320-01-497-3116
NSN 5975-01-160-0481
NSN 6645-00-140-5173
NSN 5998-01-200-8077
NSN 6240-01-570-8070
NSN 5998-01-615-7542
NSN 6135-01-441-7922
NSN 5945-01-605-0511
NSN 7035-01-177-2807
NSN 4140-01-342-0609
NSN 5998-01-244-1729
NSN 5965-01-571-2309