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 5975-00-837-2260
NSN 2925-01-149-2865
NSN 6150-00-912-9503
NSN 5945-00-520-6043
NSN 6145-00-106-0611
NSN 6620-01-443-8431
NSN 6145-00-256-8430
NSN 5996-01-329-0806
NSN 5925-01-197-9899
NSN 5996-01-399-6677
NSN 5905-01-478-5947
NSN 5910-01-307-9178