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 6610-01-643-2315
NSN 6220-00-789-5880
NSN 6220-01-135-2031
NSN 5920-00-882-6991
NSN 6130-00-461-1674
NSN 5910-01-451-4292
NSN 6110-01-083-8317
NSN 5855-01-621-2725
NSN 5975-01-275-6148
NSN 6610-01-611-3294
NSN 5915-01-024-8200
NSN 6105-01-014-6104