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 6130-01-242-8433
NSN 7035-00-104-5506
NSN 6645-01-467-9983
NSN 5998-01-645-0486
NSN 5925-00-081-9135
NSN 5999-00-087-0258
NSN 7035-00-703-3535
NSN 5950-00-132-4394
NSN 6320-01-320-3305
NSN 6150-01-353-1555
NSN 6135-00-635-6370
NSN 6130-01-046-7798