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 5975-01-025-9990
NSN 5960-01-579-1661
NSN 5975-01-595-2252
NSN 6240-01-329-1281
NSN 6145-01-205-5936
NSN 5945-01-436-1190
NSN 5950-00-839-5729
NSN 5996-00-255-5567
NSN 6240-00-187-4306
NSN 5960-00-158-4841
NSN 5835-00-216-4568
NSN 6130-00-670-0880