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 5990-01-069-4604
NSN 5945-01-610-1005
NSN 6610-01-618-7038
NSN 4140-01-353-9043
NSN 5910-01-274-4068
NSN 4140-01-146-4474
NSN 6220-01-424-4340
NSN 5990-01-426-7350
NSN 5945-00-851-1902
NSN 5950-01-182-8732
NSN 5998-01-121-7352
NSN 2925-01-448-2880