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 5925-00-985-0383
NSN 5965-00-153-5216
NSN 6150-01-057-7689
NSN 5920-01-363-4163
NSN 5950-01-054-2352
NSN 6240-01-126-9167
NSN 6135-01-275-1363
NSN 5965-01-053-7168
NSN 5998-00-621-8600
NSN 6220-00-244-2040
NSN 6150-00-997-4571
NSN 5835-01-398-3859