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 5999-00-952-1325
NSN 6620-01-098-9866
NSN 6130-00-764-5840
NSN 6650-00-172-5983
NSN 5915-01-384-1985
NSN 6650-01-605-9181
NSN 5990-00-161-2797
NSN 6320-00-456-0836
NSN 5895-01-600-7002
NSN 6220-01-420-6512
NSN 6130-00-862-5516
NSN 6220-00-678-5913