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 6135-00-461-3590
NSN 5935-00-947-0045
NSN 5855-00-004-0904
NSN 6150-00-374-9318
NSN 5996-01-445-1359
NSN 5975-01-131-9492
NSN 5930-00-326-3881
NSN 5950-00-468-7991
NSN 6110-01-196-4886
NSN 6685-01-590-4480
NSN 6130-01-175-0903
NSN 6610-01-152-2821