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 6320-01-171-3238
NSN 5999-00-594-8859
NSN 5935-01-518-5946
NSN 5990-01-421-5342
NSN 6320-01-158-2177
NSN 6620-01-107-9916
NSN 6150-01-458-9060
NSN 6685-00-303-3283
NSN 5910-01-399-1592
NSN 5950-01-485-9980
NSN 5855-01-348-6690
NSN 5835-01-487-3042