A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5960-01-278-9394
NSN 5975-01-014-0723
NSN 5835-01-514-5758
NSN 5975-01-302-9637
NSN 5999-01-319-1863
NSN 6110-00-303-4955
NSN 5910-01-646-3674
NSN 6650-01-099-4340
NSN 5920-00-146-1314
NSN 6685-00-339-5690
NSN 6105-01-202-4086
NSN 6135-01-350-2932