A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5925-00-435-8391
NSN 5930-00-107-5446
NSN 5945-01-548-7434
NSN 6145-01-283-9268
NSN 5999-01-119-7048
NSN 2925-01-146-0278
NSN 6130-01-004-8977
NSN 6645-00-497-3495
NSN 6620-00-635-7347
NSN 6645-01-305-4068
NSN 5950-00-051-7946
NSN 5990-01-258-0512