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 5975-01-634-0678
NSN 5960-00-921-5805
NSN 6130-01-444-2571
NSN 6610-01-040-9572
NSN 5935-01-598-8574
NSN 6685-00-395-3272
NSN 5910-01-501-0109
NSN 5960-00-136-2505
NSN 5915-00-488-7437
NSN 5835-01-515-6537
NSN 5895-01-322-4953
NSN 6130-01-503-0176