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 6110-00-833-7778
NSN 5835-01-233-7033
NSN 5895-01-445-6161
NSN 6135-01-238-2878
NSN 5985-01-197-6999
NSN 6240-01-026-1376
NSN 5965-01-479-9155
NSN 5855-01-634-0259
NSN 5930-01-479-4808
NSN 2925-01-315-1714
NSN 5910-01-481-3658
NSN 5835-01-574-0080