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 6620-01-519-2628
NSN 6220-01-380-3537
NSN 5920-01-058-1778
NSN 6610-01-287-9814
NSN 5930-01-398-0656
NSN 6145-00-931-8420
NSN 5910-01-534-3944
NSN 5930-01-526-1005
NSN 6145-01-435-6528
NSN 5945-01-618-1070
NSN 5920-01-313-3290
NSN 6145-01-054-7463