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 6620-00-912-9623
NSN 6145-00-427-7201
NSN 2925-01-100-3694
NSN 5950-00-645-3966
NSN 5960-00-878-2935
NSN 5925-01-129-7623
NSN 6110-00-498-6868
NSN 6650-01-469-0272
NSN 5960-00-000-0051
NSN 2925-01-197-7864
NSN 5990-01-164-0220
NSN 5990-00-772-9277