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 5999-01-160-1418
NSN 5960-01-599-4726
NSN 6620-01-332-9664
NSN 5920-01-211-4365
NSN 6150-01-449-3165
NSN 5965-01-371-1297
NSN 6650-00-899-1774
NSN 6240-01-510-8295
NSN 6240-01-226-2902
NSN 5895-01-602-9940
NSN 5910-01-144-0634
NSN 6685-01-581-4384