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 5950-00-891-9554
NSN 5998-00-798-4534
NSN 6220-01-138-1622
NSN 6150-00-899-4266
NSN 6150-00-516-8445
NSN 6220-00-138-0589
NSN 5920-01-518-9636
NSN 5910-01-076-4009
NSN 5950-01-518-4253
NSN 6130-01-154-2998
NSN 5925-01-211-6660
NSN 5960-01-442-1770