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 5920-01-478-6477
NSN 6610-00-500-6944
NSN 6645-01-447-3143
NSN 5960-01-584-9452
NSN 6130-00-587-7062
NSN 6220-01-550-3973
NSN 7035-00-104-7613
NSN 5990-01-510-4699
NSN 5855-01-020-7982
NSN 5965-01-151-9816
NSN 5960-01-165-1956
NSN 6220-00-541-8515