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 5905-01-600-5867
NSN 5915-01-020-9153
NSN 5998-01-546-6673
NSN 6105-00-614-8003
NSN 6320-01-397-9995
NSN 2925-01-422-1542
NSN 6220-01-352-9825
NSN 6150-01-023-1516
NSN 6240-00-319-4549
NSN 5996-01-507-6746
NSN 6130-00-288-1886
NSN 5960-01-206-7763