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 5990-01-449-7090
NSN 5950-00-274-5707
NSN 6130-01-344-4827
NSN 5950-01-259-3770
NSN 5925-00-205-2767
NSN 6620-01-230-8064
NSN 5895-01-218-5745
NSN 5965-01-309-4368
NSN 5960-01-498-0572
NSN 6620-01-032-3937
NSN 5855-00-185-1560
NSN 6130-01-487-3758