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 6145-01-463-9001
NSN 5985-01-181-5609
NSN 6620-00-674-3368
NSN 5985-00-293-8322
NSN 5990-01-303-6110
NSN 6135-00-422-3967
NSN 5999-00-139-2902
NSN 5915-00-221-2391
NSN 6105-00-248-5772
NSN 5910-01-519-8236
NSN 6610-00-160-3315
NSN 5975-00-527-9656