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 6240-01-458-4672
NSN 5999-00-814-2108
NSN 6220-00-958-5441
NSN 5975-01-577-8322
NSN 6645-01-111-9825
NSN 6685-01-350-3451
NSN 6135-01-510-4663
NSN 5835-00-946-2656
NSN 4140-01-257-1089
NSN 6650-01-355-6423
NSN 6220-01-076-9912
NSN 5960-00-271-1396