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 5965-01-314-1268
NSN 5925-01-521-2776
NSN 6145-01-645-4736
NSN 6105-00-281-3395
NSN 6320-01-399-6177
NSN 5930-01-528-7970
NSN 5990-01-550-7827
NSN 6320-01-270-1419
NSN 5996-01-044-2465
NSN 5920-00-538-7915
NSN 5975-01-227-6306
NSN 5999-01-484-9333