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 6105-01-221-1407
NSN 5960-01-250-5502
NSN 6145-00-125-6859
NSN 6685-01-572-1688
NSN 5905-01-374-1000
NSN 7035-01-501-7259
NSN 5975-01-497-0452
NSN 5945-01-061-9441
NSN 6645-01-525-3123
NSN 5945-01-229-8566
NSN 6220-00-786-2645
NSN 5945-01-004-8591