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 5999-01-371-3000
NSN 5985-00-689-9515
NSN 6130-00-615-5727
NSN 6645-01-061-5516
NSN 5910-00-413-2630
NSN 6620-01-471-8128
NSN 2925-01-054-3190
NSN 5855-01-169-4275
NSN 5985-01-241-8742
NSN 5985-00-353-6339
NSN 6150-00-522-4909
NSN 5910-01-284-3642