A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5990-01-047-4083
NSN 6650-00-483-2853
NSN 6150-01-054-0310
NSN 5835-01-294-5753
NSN 5945-00-567-2350
NSN 6130-01-119-0950
NSN 5965-01-095-9767
NSN 5925-01-517-5456
NSN 5905-01-093-0248
NSN 5905-01-596-1688
NSN 6105-01-493-7330
NSN 5999-00-333-2766