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 6135-00-276-7625
NSN 6685-00-261-9858
NSN 5960-00-490-6238
NSN 5965-01-337-5408
NSN 5915-00-838-0780
NSN 5950-01-440-2740
NSN 6685-01-134-8186
NSN 5975-00-266-2029
NSN 5930-00-900-9807
NSN 6620-00-273-8735
NSN 5999-01-475-1248
NSN 5835-00-071-5739