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 6645-01-091-0009
NSN 6145-01-612-8271
NSN 5996-01-570-0437
NSN 6220-01-116-1267
NSN 5965-01-538-8795
NSN 5915-01-152-5060
NSN 6130-01-625-2051
NSN 5835-01-094-2662
NSN 5996-00-256-3915
NSN 5855-01-053-0679
NSN 5960-01-191-1982
NSN 5990-00-539-7859