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 5985-01-083-7061
NSN 6610-00-168-0564
NSN 5930-00-610-3991
NSN 5910-01-113-7785
NSN 5925-01-308-0669
NSN 5998-00-489-1956
NSN 5975-00-789-6209
NSN 5905-01-545-0585
NSN 6145-01-580-0334
NSN 6645-00-509-9008
NSN 5950-00-862-9994
NSN 5990-01-147-5225