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 5996-00-951-3763
NSN 5835-00-729-9305
NSN 6685-00-826-1662
NSN 6105-01-376-5902
NSN 5998-00-452-0329
NSN 5920-00-060-3290
NSN 5999-01-433-4721
NSN 5905-00-253-4247
NSN 6685-01-355-8499
NSN 5935-01-348-3174
NSN 5925-00-280-2273
NSN 5905-01-167-9015