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 4140-01-523-1944
NSN 6150-01-501-6596
NSN 5998-01-013-8550
NSN 6110-01-316-4515
NSN 4140-01-547-5589
NSN 5950-00-005-3245
NSN 5905-01-408-6850
NSN 5996-00-690-6324
NSN 6220-01-348-8243
NSN 6150-00-428-1578
NSN 5960-00-140-9583
NSN 5915-01-012-0791