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 5910-01-220-2001
NSN 5975-01-512-6240
NSN 5960-00-215-5884
NSN 6220-00-956-0565
NSN 4140-00-856-8115
NSN 5855-01-169-4275
NSN 5925-01-040-7980
NSN 5998-01-131-1438
NSN 5950-01-512-1973
NSN 5930-01-541-2537
NSN 7035-01-441-4174
NSN 5905-00-103-1706