An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.
NSN 5855-01-455-4910
NSN 5920-01-017-3233
NSN 5910-01-465-4152
NSN 4140-01-018-0751
NSN 5910-01-438-8104
NSN 6650-00-629-8027
NSN 6220-00-391-1076
NSN 6150-00-145-7612
NSN 5925-01-364-9184
NSN 5975-00-157-9676
NSN 5925-01-589-3658
NSN 5960-01-397-6173