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 5920-00-110-9415
NSN 5915-00-659-2337
NSN 5905-01-211-6643
NSN 5930-00-383-5656
NSN 6105-00-833-8045
NSN 5965-01-386-9281
NSN 6620-01-350-5103
NSN 5925-00-130-2586
NSN 5990-01-294-6198
NSN 5925-01-230-4059
NSN 5998-00-911-6626
NSN 6105-01-368-7054