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 5960-00-617-9312
NSN 5950-01-209-5627
NSN 5985-01-483-8766
NSN 5920-01-088-8312
NSN 2925-01-625-6841
NSN 5915-01-466-0385
NSN 2925-01-283-6740
NSN 7035-01-381-7622
NSN 6145-01-135-3862
NSN 5965-00-781-3578
NSN 5999-00-010-7622
NSN 5985-00-960-5560