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 4140-01-054-3553
NSN 5999-00-910-9269
NSN 5950-01-571-8560
NSN 5960-00-411-7552
NSN 5965-01-541-0879
NSN 5905-00-460-0130
NSN 5855-01-436-1326
NSN 5910-01-506-1913
NSN 6220-01-335-7801
NSN 6105-01-501-0524
NSN 6130-01-615-0400
NSN 5930-01-012-1939