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 6220-01-199-7241
NSN 6145-01-327-2674
NSN 5925-00-363-9578
NSN 5960-01-649-1341
NSN 6240-01-072-9652
NSN 6610-01-647-7412
NSN 6145-01-448-8496
NSN 5950-01-111-9054
NSN 5930-01-256-8862
NSN 5990-00-932-3070
NSN 5925-00-075-5315
NSN 4140-01-545-0270