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 5910-01-246-3873
NSN 5965-01-053-3434
NSN 6240-00-137-2498
NSN 5950-00-569-9961
NSN 6145-00-493-4073
NSN 5998-01-283-2320
NSN 6645-00-287-9192
NSN 6220-01-444-1575
NSN 5915-01-462-9818
NSN 6130-00-928-9532
NSN 5998-01-239-4966
NSN 5855-01-302-5493