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 5950-01-641-6304
NSN 6610-01-301-3513
NSN 5855-01-149-4110
NSN 5960-01-229-2692
NSN 5895-01-631-5920
NSN 5945-00-714-6441
NSN 5855-01-042-7990
NSN 5998-00-033-9692
NSN 4140-00-135-6398
NSN 6240-00-556-8657
NSN 5990-01-065-0492
NSN 6620-01-209-1472