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 6110-01-539-9076
NSN 6620-01-581-8549
NSN 6650-01-389-0225
NSN 5960-01-544-1273
NSN 5996-01-004-7832
NSN 6620-01-646-2751
NSN 5925-00-801-7120
NSN 5855-01-143-7051
NSN 6135-00-945-0015
NSN 5975-00-828-3505
NSN 5950-01-120-0823
NSN 5835-00-532-5910