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 5998-01-192-3272
NSN 5975-00-180-8255
NSN 5905-01-012-2520
NSN 4140-01-574-2422
NSN 5960-01-585-6385
NSN 2925-01-308-2195
NSN 5985-01-123-9484
NSN 2925-01-094-4771
NSN 5905-01-499-9898
NSN 6105-00-966-5079
NSN 5965-01-209-2838
NSN 5905-01-103-9730