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 6150-01-357-6791
NSN 6135-00-833-9909
NSN 6145-01-116-1274
NSN 5910-01-238-6701
NSN 6645-00-728-1316
NSN 6320-01-527-0211
NSN 5996-01-398-0037
NSN 6645-00-287-9192
NSN 6650-01-290-4001
NSN 4140-01-443-5866
NSN 2925-00-684-2655
NSN 6110-00-512-7845