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 5925-01-497-4490
NSN 5920-01-301-0190
NSN 5925-01-365-5442
NSN 6320-00-937-5625
NSN 5925-01-421-4473
NSN 5999-00-036-8454
NSN 5910-01-531-2114
NSN 5910-01-277-4120
NSN 5945-01-145-1420
NSN 6130-01-295-0718
NSN 6145-01-097-5948
NSN 6685-00-987-1725