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 6150-01-279-5041
NSN 6130-01-425-1231
NSN 5835-01-377-8972
NSN 6145-00-168-1296
NSN 5985-01-318-6667
NSN 6130-01-281-1700
NSN 5925-01-634-0664
NSN 5990-00-436-9008
NSN 6105-01-643-5520
NSN 5920-00-803-3290
NSN 5990-01-159-5988
NSN 6130-01-063-7011