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 6130-01-411-5452
NSN 5950-00-925-1895
NSN 5990-00-155-2306
NSN 5910-01-151-4444
NSN 5996-01-421-3165
NSN 5930-00-890-0286
NSN 6320-01-470-6826
NSN 6150-01-248-6510
NSN 5835-01-186-4961
NSN 5965-01-574-4938
NSN 5915-01-125-7540
NSN 5985-01-570-1662