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 5895-01-365-1938
NSN 5998-01-025-1325
NSN 5965-00-913-9545
NSN 6130-00-042-6436
NSN 5965-00-665-2156
NSN 6145-00-091-1079
NSN 5910-01-270-6958
NSN 2925-01-166-4589
NSN 6145-01-412-8809
NSN 6130-01-381-2238
NSN 6145-00-228-0742
NSN 4140-00-155-8012