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 5915-00-226-6863
NSN 6220-01-429-8534
NSN 5920-01-246-5420
NSN 5960-01-370-4285
NSN 5930-00-690-7112
NSN 5835-01-076-8445
NSN 6650-00-410-3582
NSN 5910-01-428-3035
NSN 6130-01-522-2004
NSN 5915-01-435-9221
NSN 5930-00-155-4760
NSN 6220-01-090-0126