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 6685-01-310-0235
NSN 5985-00-740-7154
NSN 2925-01-355-5280
NSN 5910-00-407-4713
NSN 5965-01-592-3051
NSN 6240-01-357-0305
NSN 6135-01-415-1163
NSN 5915-01-307-7118
NSN 6620-00-280-2874
NSN 5915-01-633-9845
NSN 6610-01-053-0061
NSN 5910-01-628-7499