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 5950-01-294-2037
NSN 6145-01-406-6763
NSN 6645-01-479-5364
NSN 6620-01-087-2354
NSN 5950-00-062-2244
NSN 5925-01-495-0602
NSN 5925-01-048-1552
NSN 5975-01-474-0587
NSN 5965-00-945-3454
NSN 6110-01-247-1780
NSN 5905-01-315-0120
NSN 6130-00-692-2916