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 5910-01-302-7131
NSN 5996-00-088-0584
NSN 5985-01-347-5328
NSN 6220-01-543-0311
NSN 6150-01-463-7875
NSN 5945-01-123-9350
NSN 5998-00-741-9138
NSN 6685-01-631-4225
NSN 5945-00-698-3758
NSN 6645-00-445-8143
NSN 5965-00-275-0491
NSN 2925-00-124-5465