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 6130-01-413-2477
NSN 5985-01-432-3354
NSN 6620-00-987-3673
NSN 5855-01-462-9279
NSN 6110-01-058-2476
NSN 7035-01-618-8543
NSN 5945-01-100-4818
NSN 6220-01-107-9933
NSN 5945-01-338-6483
NSN 5895-01-057-3968
NSN 6130-00-209-4021
NSN 6135-01-029-9315