A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 6110-01-429-9304
NSN 5975-00-486-8518
NSN 5950-00-912-0161
NSN 6220-01-472-4062
NSN 4140-01-529-1315
NSN 5910-01-035-0331
NSN 5950-01-227-2466
NSN 6240-00-141-0129
NSN 5905-01-346-2383
NSN 6150-01-464-3386
NSN 5996-01-397-7251
NSN 5920-00-105-1076