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 6610-01-555-8596
NSN 4140-00-279-0515
NSN 5920-01-283-7042
NSN 5998-00-827-5719
NSN 2925-01-569-5471
NSN 6110-01-633-9660
NSN 5999-01-177-9194
NSN 5905-01-092-6296
NSN 6620-01-339-5524
NSN 4140-01-467-8610
NSN 6620-01-434-3675
NSN 6240-00-514-3507