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 6320-01-209-0952
NSN 6620-00-992-5876
NSN 6240-00-526-0243
NSN 5950-01-535-7276
NSN 5996-00-836-7393
NSN 5985-01-155-8064
NSN 5925-00-969-7783
NSN 5960-00-864-7673
NSN 5910-01-167-1583
NSN 4140-01-014-3454
NSN 5925-01-021-1045
NSN 6645-01-465-0115