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 5895-01-238-7494
NSN 5998-01-534-4597
NSN 6685-00-409-2283
NSN 2925-01-459-8093
NSN 5960-01-086-6736
NSN 6685-01-534-3725
NSN 6620-01-508-9702
NSN 5910-01-375-1233
NSN 5975-01-322-8515
NSN 6135-01-185-3614
NSN 5998-01-492-6389
NSN 5965-00-208-4896