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 5960-00-960-6805
NSN 5930-00-642-9974
NSN 5999-00-338-4431
NSN 5895-00-081-2219
NSN 6685-01-255-6981
NSN 5965-01-324-6583
NSN 5925-00-767-0284
NSN 6220-01-350-3108
NSN 5910-00-272-9286
NSN 5975-01-027-0253
NSN 6220-01-539-7846
NSN 6220-00-500-4813