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 6620-01-346-6575
NSN 5895-00-286-1662
NSN 5895-01-378-7530
NSN 6145-01-327-3328
NSN 5835-01-654-1251
NSN 5990-00-169-7689
NSN 5905-01-200-0658
NSN 6110-00-190-7523
NSN 5855-01-100-3272
NSN 2925-01-574-4413
NSN 5855-01-578-6742
NSN 5920-01-267-6086