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 5998-01-602-9656
NSN 5996-00-816-9320
NSN 5905-00-268-2535
NSN 5945-01-437-9335
NSN 4140-01-123-8801
NSN 5920-00-849-3865
NSN 4140-01-163-3724
NSN 5920-01-013-3883
NSN 5935-01-027-9114
NSN 6685-01-495-3491
NSN 6650-01-158-6888
NSN 5915-00-146-2451