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 6150-01-500-4965
NSN 5950-00-246-9358
NSN 5915-01-121-3453
NSN 6130-01-500-4755
NSN 5950-00-812-6220
NSN 6610-00-594-6372
NSN 6110-00-755-7647
NSN 5965-01-369-4101
NSN 5895-00-558-9032
NSN 5998-00-632-3063
NSN 6320-01-220-2264
NSN 5990-01-532-6113