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 5999-01-416-2412
NSN 5990-01-489-0366
NSN 5945-01-314-6620
NSN 6150-01-450-4002
NSN 5930-01-418-0545
NSN 5945-00-432-3075
NSN 5855-01-147-6024
NSN 5960-00-009-8082
NSN 5975-01-070-2049
NSN 6650-01-599-9849
NSN 6135-01-567-0739
NSN 6145-01-139-5172