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 5925-01-188-7630
NSN 6610-00-238-1693
NSN 5920-01-598-9690
NSN 5998-01-327-5054
NSN 6145-01-186-7194
NSN 6135-01-349-6285
NSN 5999-01-260-1707
NSN 6650-01-010-4204
NSN 6645-01-163-6144
NSN 5930-01-604-8332
NSN 6650-01-341-9838
NSN 5990-01-252-8175