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 5925-00-782-1361
NSN 6220-01-469-6213
NSN 5985-01-100-2112
NSN 5915-01-128-3231
NSN 5985-01-268-4574
NSN 6320-01-006-6138
NSN 6650-00-197-7563
NSN 6685-01-152-9117
NSN 5835-01-447-2544
NSN 6105-00-080-0648
NSN 6130-01-352-2488
NSN 6110-01-577-1239