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 2925-00-288-1394
NSN 5895-01-587-2670
NSN 5835-00-055-0953
NSN 6220-01-242-0345
NSN 6150-01-064-5938
NSN 5998-01-009-2845
NSN 5965-01-299-8690
NSN 6135-01-481-5109
NSN 2925-01-440-9912
NSN 5835-00-833-7080
NSN 2925-00-172-9264
NSN 6220-01-475-6373