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 2925-00-902-3881
NSN 6320-00-882-7061
NSN 6150-01-298-6352
NSN 6320-00-456-2092
NSN 5965-01-141-5449
NSN 5905-01-447-2806
NSN 6685-01-310-8950
NSN 5920-00-092-8729
NSN 6685-00-500-6933
NSN 5960-01-605-9921
NSN 5910-01-022-8990
NSN 5996-01-010-0257