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 6685-00-001-2103
NSN 5910-01-646-7671
NSN 6145-01-529-6566
NSN 6150-01-533-3309
NSN 5985-01-173-3309
NSN 6220-00-037-9014
NSN 5945-01-618-8911
NSN 6240-01-218-5187
NSN 5930-01-339-4846
NSN 5990-01-510-4699
NSN 5945-01-202-8119
NSN 6220-01-503-2269