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 5905-00-900-5490
NSN 6240-01-462-1543
NSN 6240-01-294-6469
NSN 5895-01-414-2792
NSN 6620-01-268-6390
NSN 6110-01-476-8591
NSN 5905-01-123-8782
NSN 6645-00-392-8728
NSN 6135-00-577-8429
NSN 5998-01-353-6337
NSN 5915-00-786-3208
NSN 6650-01-292-9734