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 6650-01-212-3964
NSN 5990-01-571-7468
NSN 6610-00-652-8543
NSN 5895-00-967-8253
NSN 5930-00-823-8324
NSN 5996-01-240-2925
NSN 5950-01-602-0874
NSN 5996-01-097-9320
NSN 5920-01-374-3802
NSN 6650-01-555-8819
NSN 5910-00-575-4315
NSN 5996-01-389-8609