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 5990-00-382-5885
NSN 6145-01-025-1822
NSN 6130-01-318-9977
NSN 6110-01-552-6142
NSN 2925-00-056-7112
NSN 5945-01-442-4804
NSN 5855-01-243-2355
NSN 5996-01-501-8729
NSN 6685-01-630-5459
NSN 6610-01-512-2025
NSN 6240-01-060-6037
NSN 5985-00-488-7440