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 5990-00-539-7329
NSN 5996-01-565-5597
NSN 6685-00-394-8354
NSN 5999-01-224-4660
NSN 7035-01-633-9204
NSN 5985-00-800-5438
NSN 6135-01-190-2628
NSN 6135-01-226-4071
NSN 5999-00-067-7528
NSN 6105-01-513-5929
NSN 5990-01-148-5326
NSN 5996-00-222-4930