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 5965-00-879-7287
NSN 6620-00-428-9866
NSN 6135-01-621-0742
NSN 6320-00-468-5015
NSN 5910-00-108-9707
NSN 2925-01-513-9114
NSN 5975-01-095-5122
NSN 6220-01-619-2956
NSN 5950-01-589-9428
NSN 6220-01-194-7274
NSN 7035-01-227-2546
NSN 6110-01-247-0777