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 5960-01-337-1191
NSN 6220-01-028-0329
NSN 6240-01-381-1072
NSN 5950-01-492-5919
NSN 5990-01-425-2175
NSN 5999-01-101-2595
NSN 6610-00-045-8132
NSN 2925-01-643-4472
NSN 5990-01-463-2279
NSN 7035-01-207-8704
NSN 6620-00-999-2425
NSN 5996-00-578-6710