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 5960-00-804-9034
NSN 6135-00-168-9352
NSN 5975-01-336-2596
NSN 5930-01-368-6825
NSN 2925-00-749-8893
NSN 5835-01-174-7700
NSN 6620-01-210-4403
NSN 4140-01-322-8491
NSN 5925-01-375-3455
NSN 5855-01-644-3271
NSN 6145-00-729-9051
NSN 5999-01-641-1672