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 5925-01-281-2193
NSN 5960-01-443-3067
NSN 5895-01-565-8786
NSN 4140-00-340-7685
NSN 6685-01-123-9275
NSN 5996-01-397-2142
NSN 6150-01-023-1516
NSN 5996-00-984-6250
NSN 5920-00-199-9514
NSN 6320-01-177-3192
NSN 7035-00-104-7613
NSN 6220-01-210-7193