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 6610-01-217-4162
NSN 5920-01-620-0120
NSN 5910-01-248-3452
NSN 5999-00-276-9299
NSN 5925-00-133-5365
NSN 5930-01-573-8292
NSN 5965-01-204-8505
NSN 5915-01-288-3237
NSN 5925-00-666-4753
NSN 6145-01-308-5094
NSN 6220-00-004-1744
NSN 6110-01-161-1570