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 5935-01-133-7368
NSN 5915-01-150-1658
NSN 2925-01-519-3221
NSN 7035-00-188-6674
NSN 5935-01-591-8025
NSN 5996-01-361-5932
NSN 5855-01-387-5224
NSN 5925-00-789-3718
NSN 5855-01-191-3404
NSN 4140-01-244-5140
NSN 5950-00-228-9365
NSN 5915-01-578-6153