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 2925-01-463-3899
NSN 5855-01-286-9928
NSN 5960-00-665-5180
NSN 6610-01-349-6333
NSN 5950-00-489-6846
NSN 5925-00-427-9930
NSN 6240-00-740-8901
NSN 5930-01-546-6868
NSN 5950-01-459-7961
NSN 5950-01-102-9963
NSN 5905-00-477-6649
NSN 6135-01-494-3607