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 5910-01-501-6192
NSN 6620-01-216-4901
NSN 5910-01-079-5164
NSN 5920-01-163-9257
NSN 6105-00-074-9213
NSN 5895-01-440-8522
NSN 6620-00-546-6071
NSN 5945-01-084-2457
NSN 5905-00-879-2027
NSN 6220-00-843-1441
NSN 5998-01-253-4846
NSN 5975-01-470-8920