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 6135-00-057-2005
NSN 5945-01-455-5269
NSN 7035-01-623-6689
NSN 5895-01-425-5887
NSN 6110-01-059-0617
NSN 5895-00-221-6557
NSN 5998-01-012-1489
NSN 5965-01-573-7359
NSN 5905-01-211-5374
NSN 6620-01-324-7809
NSN 5855-00-127-5559
NSN 6130-01-374-0365