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 6610-01-252-1096
NSN 5998-01-507-0419
NSN 7035-00-104-7613
NSN 5960-01-503-0362
NSN 5990-01-050-1102
NSN 6650-00-373-9220
NSN 6620-01-423-2612
NSN 6150-01-538-0069
NSN 5925-01-529-8157
NSN 5895-01-127-5855
NSN 6135-01-438-0228
NSN 5855-00-189-6066