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 5996-01-197-7005
NSN 6130-00-518-1723
NSN 5835-00-594-4921
NSN 6130-00-188-7928
NSN 6610-01-571-8038
NSN 5998-01-272-6014
NSN 6620-00-943-8020
NSN 5915-00-205-2615
NSN 5950-01-620-3021
NSN 5950-01-537-1110
NSN 5975-01-164-1135
NSN 5975-01-432-1444