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 2925-00-684-7708
NSN 6150-01-540-6200
NSN 5985-01-625-1392
NSN 4140-01-220-4377
NSN 5990-01-338-9697
NSN 5920-01-097-9927
NSN 5960-00-645-8435
NSN 6135-01-628-1344
NSN 5996-01-517-6523
NSN 5920-00-632-1308
NSN 6685-00-126-8559
NSN 5999-01-380-5242