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 5920-01-414-6983
NSN 6150-01-007-4275
NSN 6110-00-105-0428
NSN 5945-00-700-4812
NSN 5999-00-013-1310
NSN 5975-01-087-1592
NSN 6110-00-205-1778
NSN 6620-01-386-5543
NSN 6685-01-117-0892
NSN 6240-00-120-0140
NSN 4140-00-109-5137
NSN 5996-00-159-1056