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 6150-01-292-6990
NSN 5965-00-316-2768
NSN 6320-00-036-3688
NSN 6650-01-555-7384
NSN 6610-01-396-5628
NSN 6240-00-067-1021
NSN 5930-00-826-5261
NSN 4140-01-364-7845
NSN 5930-01-185-5309
NSN 5990-01-478-8638
NSN 5990-00-073-2676
NSN 5960-00-302-8223