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 5895-00-283-5581
NSN 5895-01-265-7236
NSN 5990-00-538-3458
NSN 5915-01-145-3070
NSN 6620-01-266-8894
NSN 5965-00-882-5017
NSN 6130-01-512-8510
NSN 5905-01-247-3324
NSN 6240-01-358-7127
NSN 5855-01-577-4604
NSN 6105-00-627-0612
NSN 7035-00-104-7613