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 5998-00-729-5614
NSN 5855-00-821-7512
NSN 5990-01-378-5443
NSN 6145-00-475-6909
NSN 6135-00-152-8729
NSN 5835-01-459-8664
NSN 5905-01-603-8054
NSN 7035-01-214-5171
NSN 5945-00-026-8825
NSN 5935-01-479-2578
NSN 5895-00-989-2664
NSN 6110-01-321-9126