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 5835-00-092-1136
NSN 5930-01-091-9455
NSN 6320-01-585-8468
NSN 4140-01-477-5472
NSN 6685-00-186-0190
NSN 5905-01-028-6999
NSN 4140-01-189-0217
NSN 2925-00-690-8763
NSN 5855-01-461-8169
NSN 6240-00-735-7599
NSN 5855-00-149-0766
NSN 7035-01-116-6223