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 5990-00-878-6509
NSN 5990-01-507-7495
NSN 6220-01-446-6430
NSN 5835-00-378-1429
NSN 5935-01-563-7671
NSN 5935-00-899-6078
NSN 6620-00-538-8746
NSN 5990-00-206-3753
NSN 6145-01-055-6976
NSN 5905-01-350-3624
NSN 5925-00-011-7011
NSN 6620-01-050-2866