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 5990-01-649-0635
NSN 6610-01-084-8224
NSN 6240-00-136-2602
NSN 2925-01-303-5266
NSN 5996-01-043-2105
NSN 5960-00-008-1455
NSN 5905-00-013-9406
NSN 6220-00-064-0332
NSN 5985-00-223-1930
NSN 6130-01-035-3900
NSN 5915-01-166-7999
NSN 5935-00-350-3159