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 5990-00-636-4218
NSN 5915-00-351-1449
NSN 5910-01-245-8757
NSN 5835-01-371-8759
NSN 6645-01-633-1852
NSN 6620-01-633-8443
NSN 5920-01-484-9339
NSN 6685-01-251-3797
NSN 6150-01-542-8724
NSN 5990-01-463-2279
NSN 6145-01-499-0467
NSN 5965-01-433-9864