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 5950-01-603-9156
NSN 5996-01-641-0124
NSN 4140-01-127-4674
NSN 5990-00-474-5609
NSN 5965-01-426-5283
NSN 5975-01-436-7763
NSN 5895-00-932-8469
NSN 6150-01-338-9777
NSN 5990-01-352-5255
NSN 5950-00-900-7638
NSN 6620-01-142-0084
NSN 6620-01-360-4725