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 5960-00-879-8174
NSN 6220-01-341-5322
NSN 5998-01-252-8803
NSN 2925-00-448-4685
NSN 5935-00-067-5155
NSN 6130-01-252-9724
NSN 5910-01-432-0576
NSN 5920-01-361-5221
NSN 5930-00-985-3895
NSN 5925-01-026-0891
NSN 5920-00-557-2732
NSN 5999-01-229-0224