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 4140-01-495-0865
NSN 5960-00-785-4274
NSN 6105-00-995-8195
NSN 6220-01-089-8839
NSN 5996-00-577-0483
NSN 5895-01-247-5179
NSN 6645-01-394-4920
NSN 2925-01-609-8464
NSN 5996-00-986-1122
NSN 5895-00-752-6171
NSN 6150-00-780-7747
NSN 6220-01-277-0549