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 5985-01-414-2621
NSN 6645-01-242-0340
NSN 5930-01-354-0933
NSN 5925-01-114-6548
NSN 6645-00-736-0476
NSN 5950-01-567-5967
NSN 5920-00-939-5442
NSN 5935-01-231-1405
NSN 5945-01-243-6925
NSN 6320-01-215-1133
NSN 5920-01-274-8565
NSN 5915-01-341-4818