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 5985-01-344-2967
NSN 6620-00-392-3522
NSN 6150-01-604-9360
NSN 2925-01-379-6183
NSN 5915-01-633-9845
NSN 6130-01-620-7704
NSN 5950-00-203-4401
NSN 5935-00-569-7931
NSN 6135-01-372-6985
NSN 5965-01-037-8333
NSN 2925-01-625-6841
NSN 6650-01-419-0286