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.
NSN 6320-00-646-3311
NSN 6620-00-724-1263
NSN 5960-00-752-1012
NSN 5905-00-787-7537
NSN 5920-01-291-7672
NSN 6110-01-483-2166
NSN 5915-01-561-4077
NSN 6620-00-252-6425
NSN 5996-00-833-2521
NSN 5895-00-035-8813
NSN 5998-00-925-4640
NSN 4140-01-132-0093