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 7035-01-648-3535
NSN 5895-01-390-4283
NSN 6650-00-405-0702
NSN 7035-01-501-5938
NSN 6685-00-420-9232
NSN 6650-00-153-3155
NSN 7035-01-249-4547
NSN 5960-01-237-2336
NSN 6240-01-630-3442
NSN 6620-00-621-6951
NSN 6320-00-731-6134
NSN 5975-01-361-9830