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 6685-00-598-1944
NSN 6130-01-550-8447
NSN 4140-00-089-0490
NSN 5950-01-386-5800
NSN 5950-01-573-7961
NSN 5960-00-222-7772
NSN 5965-01-381-2998
NSN 6320-01-610-4410
NSN 5950-01-012-1457
NSN 6130-00-905-1179
NSN 6105-01-193-6575
NSN 5985-01-110-2534