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 5985-00-240-2899
NSN 6645-01-633-1852
NSN 6645-01-158-8136
NSN 5965-00-913-9545
NSN 5930-00-472-3228
NSN 5975-01-322-8439
NSN 5935-00-931-6246
NSN 5905-01-377-2638
NSN 5999-00-148-8187
NSN 2925-01-267-1598
NSN 5990-01-055-1523
NSN 4140-00-728-3097