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 5990-00-529-8767
NSN 5990-01-318-3238
NSN 6620-00-431-3837
NSN 5998-00-372-6047
NSN 6650-00-610-3956
NSN 5975-01-418-2527
NSN 6145-01-238-4979
NSN 6110-01-320-6215
NSN 5935-00-844-3607
NSN 5960-01-500-6615
NSN 5998-01-451-9610
NSN 2925-00-495-8130