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 6135-01-235-4168
NSN 6130-01-650-8132
NSN 5910-00-965-6466
NSN 6240-01-481-1796
NSN 5945-01-192-7992
NSN 5925-00-636-5683
NSN 5915-01-530-6333
NSN 5990-01-571-7468
NSN 5945-01-213-5439
NSN 6240-01-328-5179
NSN 5950-01-056-4707
NSN 6150-00-264-5978