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 5998-01-571-8462
NSN 5930-01-218-4690
NSN 5950-01-329-7871
NSN 5945-00-162-9525
NSN 6220-01-452-0007
NSN 5920-00-161-4564
NSN 5925-01-053-1449
NSN 5998-01-336-7927
NSN 6320-01-549-7201
NSN 5996-01-487-6811
NSN 5990-01-473-4314
NSN 4140-01-154-1041