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 6150-01-232-5120
NSN 4140-00-919-5020
NSN 5985-00-009-7639
NSN 5998-00-493-5159
NSN 5925-01-089-9791
NSN 6620-01-423-7300
NSN 5996-01-433-3901
NSN 4140-00-914-5767
NSN 7035-01-302-5359
NSN 6610-01-495-0596
NSN 7035-01-011-3760
NSN 4140-00-803-7048