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 5915-00-900-3369
NSN 5999-01-646-5181
NSN 4140-00-209-7965
NSN 6150-01-328-3955
NSN 5910-01-268-0953
NSN 6110-01-576-9899
NSN 5960-01-170-4057
NSN 5975-01-333-1798
NSN 5965-00-822-8549
NSN 5990-01-423-8189
NSN 5945-01-056-6437
NSN 6620-01-578-7561