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 2925-01-009-3411
NSN 6610-00-144-2877
NSN 7035-00-931-9415
NSN 6620-00-996-8026
NSN 5925-01-497-9852
NSN 5999-01-237-2434
NSN 5895-01-042-3266
NSN 6620-00-811-7614
NSN 4140-00-783-4228
NSN 5915-01-213-9382
NSN 5930-01-360-6497
NSN 5996-01-233-9454