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 5835-01-442-6482
NSN 6240-01-476-1612
NSN 5855-01-400-1590
NSN 6650-00-056-1581
NSN 5855-00-903-4305
NSN 5945-01-046-6319
NSN 6645-01-519-3007
NSN 5925-00-921-1171
NSN 6645-01-399-0661
NSN 6110-01-087-7380
NSN 6130-00-956-3963
NSN 5996-01-124-6350