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 5855-01-380-9950
NSN 6620-00-470-3219
NSN 6145-00-122-5010
NSN 5990-01-541-7671
NSN 6150-01-224-0982
NSN 6150-00-539-9812
NSN 5930-01-277-5138
NSN 5920-01-224-7028
NSN 7035-01-169-6551
NSN 6610-00-482-2265
NSN 6110-01-322-1916
NSN 5985-00-633-3146