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 5996-00-081-0525
NSN 5915-01-039-9782
NSN 5925-00-175-9349
NSN 5915-00-971-0154
NSN 6240-01-032-9952
NSN 5996-01-574-7325
NSN 6685-01-547-0702
NSN 6240-01-103-9884
NSN 5965-01-554-8140
NSN 5998-01-271-4689
NSN 6105-01-030-7979
NSN 5999-00-398-1583