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 5990-01-100-1840
NSN 6130-00-737-0459
NSN 5945-00-083-6778
NSN 5925-01-185-1390
NSN 6650-00-296-4670
NSN 5855-00-688-9954
NSN 5965-01-359-5501
NSN 6645-01-262-7318
NSN 6135-01-657-0554
NSN 6220-01-003-2841
NSN 5835-01-495-0595
NSN 5910-01-222-0769