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 5895-01-413-8682
NSN 4140-01-158-6976
NSN 5945-01-333-9386
NSN 5855-01-257-5338
NSN 5895-00-186-8572
NSN 6610-01-378-8422
NSN 5990-01-253-5672
NSN 6130-01-503-0277
NSN 5975-01-422-0784
NSN 5999-01-613-1129
NSN 5920-00-149-0013
NSN 5985-01-191-7050