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 5960-00-987-1897
NSN 5935-00-795-2932
NSN 5920-00-171-2347
NSN 5855-01-445-6551
NSN 5945-01-073-9123
NSN 5930-00-185-9492
NSN 6150-00-816-3467
NSN 6320-00-174-1362
NSN 5985-01-339-2315
NSN 5855-01-375-1191
NSN 5910-00-814-5337
NSN 5975-01-275-6910