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 5905-01-334-8545
NSN 6620-00-193-9503
NSN 5950-01-515-6842
NSN 5855-00-885-8452
NSN 5999-00-901-3784
NSN 5985-01-356-5911
NSN 5985-00-008-0443
NSN 5855-01-007-9541
NSN 6110-01-355-4536
NSN 6145-01-113-8205
NSN 5950-01-555-0104
NSN 5998-01-508-4223