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 6645-01-591-3970
NSN 5930-00-155-8674
NSN 6150-00-001-5555
NSN 5930-01-391-6284
NSN 6645-00-674-9728
NSN 5998-01-330-2274
NSN 6650-00-231-2744
NSN 6145-01-617-6552
NSN 4140-01-419-2829
NSN 5950-01-608-2118
NSN 5855-01-433-2220
NSN 5945-01-398-6873