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 5915-01-399-7278
NSN 6320-00-701-0437
NSN 6240-01-003-5797
NSN 6130-01-224-7954
NSN 5975-01-288-0507
NSN 2925-01-386-7392
NSN 5960-00-296-1530
NSN 5996-00-283-7385
NSN 2925-01-434-6945
NSN 6220-01-397-7416
NSN 6685-01-030-0557
NSN 5835-00-289-9080