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 5945-00-465-9516
NSN 5930-00-867-6302
NSN 6645-01-534-3148
NSN 5935-01-280-5476
NSN 5920-01-592-3220
NSN 6145-00-862-7069
NSN 5895-01-204-7285
NSN 5915-01-221-9117
NSN 4140-01-510-9380
NSN 5935-01-190-9666
NSN 7035-00-981-7216
NSN 5975-00-630-8386