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 5945-01-468-1355
NSN 5945-01-239-8190
NSN 6220-01-156-1168
NSN 6650-01-449-5446
NSN 6685-01-514-7430
NSN 5925-01-462-2209
NSN 6105-01-446-8105
NSN 6110-01-237-1158
NSN 6240-01-214-0308
NSN 4140-01-602-9257
NSN 4140-01-067-8242
NSN 6320-00-593-0379