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 5855-00-484-8638
NSN 6610-00-020-6738
NSN 2925-01-326-0908
NSN 6150-01-510-6403
NSN 6685-01-227-3701
NSN 5960-00-232-2512
NSN 5945-01-542-8744
NSN 5920-01-033-8532
NSN 6610-01-440-9913
NSN 5985-01-318-2643
NSN 5950-01-420-6385
NSN 5935-00-683-7894