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 5925-00-156-0680
NSN 6685-00-190-5792
NSN 5998-00-516-6855
NSN 5999-01-484-4395
NSN 5895-01-252-8089
NSN 2925-00-450-7783
NSN 5895-00-856-3081
NSN 5905-01-519-8673
NSN 5835-01-282-9768
NSN 5905-01-010-3320
NSN 5915-01-040-4316
NSN 5965-01-587-2366