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 6105-00-941-2931
NSN 7035-01-038-9970
NSN 6620-00-224-7739
NSN 6685-01-655-4393
NSN 5895-01-097-4088
NSN 5920-00-063-0532
NSN 4140-01-160-7699
NSN 2925-01-011-5619
NSN 6320-00-513-8376
NSN 6105-01-152-7059
NSN 5905-01-324-7115
NSN 6240-01-225-0037