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 6130-00-390-9718
NSN 6240-01-482-4819
NSN 6220-00-707-5044
NSN 5990-01-577-2120
NSN 4140-01-601-1901
NSN 6620-00-286-5721
NSN 5905-01-629-9525
NSN 4140-01-003-2501
NSN 5915-01-357-5067
NSN 6685-00-925-2287
NSN 5950-01-296-1048
NSN 6150-01-497-0647