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 6320-00-036-3688
NSN 6145-01-563-1221
NSN 5950-01-432-7274
NSN 5855-01-645-7777
NSN 6110-00-840-6560
NSN 5950-00-871-0377
NSN 5855-01-088-8700
NSN 5999-01-427-3702
NSN 6110-01-219-3808
NSN 6320-01-192-0332
NSN 5999-01-147-5317
NSN 6240-01-100-1279