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 6685-01-218-0129
NSN 6220-01-104-7803
NSN 5855-01-275-5470
NSN 5998-01-123-5625
NSN 6620-01-189-8153
NSN 5985-00-100-4902
NSN 5950-01-199-8863
NSN 6110-00-157-1699
NSN 5855-01-495-1339
NSN 6320-01-600-5808
NSN 5999-01-209-2817
NSN 5910-01-359-9177