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 5999-01-302-0903
NSN 6620-00-280-2874
NSN 6685-01-634-0611
NSN 5945-01-080-3811
NSN 7035-00-020-2227
NSN 5895-01-323-6413
NSN 6105-01-582-1924
NSN 6220-00-541-8515
NSN 5915-00-400-1690
NSN 5998-00-156-4574
NSN 6145-01-502-9150
NSN 5975-00-384-8077