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 5990-01-627-8097
NSN 6130-01-541-5469
NSN 6650-01-321-8823
NSN 6145-00-295-1503
NSN 5925-01-624-3094
NSN 5965-00-918-3950
NSN 5920-01-465-4611
NSN 6610-01-172-4041
NSN 2925-00-497-7808
NSN 6620-01-351-6870
NSN 5965-00-985-9157
NSN 5905-01-435-5505