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 6150-01-186-0593
NSN 5920-01-327-2572
NSN 6620-01-211-9063
NSN 6320-01-166-3602
NSN 5910-01-588-9379
NSN 6685-01-252-2336
NSN 5855-00-494-9581
NSN 6110-01-174-6701
NSN 6220-01-413-7086
NSN 5895-01-611-0387
NSN 5998-00-014-6033
NSN 6650-01-553-2805