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 6320-01-108-5933
NSN 6320-01-552-8721
NSN 5895-01-256-7076
NSN 6220-00-880-7806
NSN 5960-01-069-2009
NSN 5855-01-406-8109
NSN 6685-01-102-6723
NSN 6130-00-193-0340
NSN 5935-00-639-1382
NSN 6135-01-230-4399
NSN 5935-01-330-5921
NSN 4140-00-729-6852