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 5945-01-165-4602
NSN 6145-01-511-6027
NSN 6320-00-593-0379
NSN 6610-01-476-7412
NSN 5950-01-541-5016
NSN 6130-00-169-6890
NSN 6620-01-162-2839
NSN 5975-01-626-0705
NSN 6240-01-069-2688
NSN 6320-00-004-9158
NSN 6650-01-207-0829
NSN 6105-01-595-6209