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 6135-00-269-5843
NSN 5999-01-372-6770
NSN 6145-00-057-4723
NSN 6685-00-518-4237
NSN 6145-01-630-2633
NSN 6145-00-286-9588
NSN 5960-01-580-6360
NSN 5998-01-167-4582
NSN 6685-00-419-0643
NSN 6145-00-278-0697
NSN 5835-00-707-6266
NSN 6105-00-239-7203