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 5930-00-531-0541
NSN 6645-01-182-4896
NSN 5999-01-446-5742
NSN 6620-01-328-7059
NSN 6240-01-338-1773
NSN 5920-00-224-1634
NSN 6685-01-563-5713
NSN 5935-01-181-2232
NSN 5905-01-658-2711
NSN 5960-01-325-2241
NSN 5915-01-098-0006
NSN 5920-01-131-7393