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 6110-01-186-3120
NSN 6130-01-432-3824
NSN 6610-01-111-9230
NSN 6110-00-790-5533
NSN 6130-01-573-9334
NSN 6320-01-228-2380
NSN 5990-01-470-2565
NSN 6240-01-093-4202
NSN 5920-00-161-2813
NSN 5985-00-788-3456
NSN 2925-01-400-2286
NSN 5960-00-912-1114