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 5895-01-381-3100
NSN 6145-01-428-9932
NSN 5835-01-303-6563
NSN 5910-01-633-5265
NSN 7035-01-657-7183
NSN 6650-00-035-9297
NSN 5975-00-533-5053
NSN 5915-01-528-1169
NSN 4140-01-611-7131
NSN 6220-00-837-2848
NSN 5960-01-505-2426
NSN 6130-00-419-4334