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 5915-01-541-3957
NSN 5915-01-482-1583
NSN 5895-00-607-0078
NSN 6650-01-145-5173
NSN 6620-01-051-2045
NSN 6105-01-583-2048
NSN 5895-01-538-8134
NSN 5999-01-025-9284
NSN 6650-01-246-8262
NSN 6240-01-189-6955
NSN 6320-01-585-8468
NSN 6150-01-198-7963