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 6130-01-043-9624
NSN 4140-01-437-7760
NSN 5996-00-450-8394
NSN 6320-01-573-6490
NSN 5996-00-186-8709
NSN 5985-01-597-5374
NSN 6610-00-529-8785
NSN 6645-01-418-8304
NSN 6130-01-331-3972
NSN 5950-01-069-2784
NSN 6220-01-395-9483
NSN 6145-00-738-5601