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 4140-01-183-0618
NSN 6240-01-227-4178
NSN 5945-00-120-0074
NSN 5945-00-056-8452
NSN 5985-00-542-0597
NSN 5835-01-544-5183
NSN 5935-00-443-7035
NSN 2925-01-389-3726
NSN 5945-01-286-2914
NSN 2925-00-065-2244
NSN 5996-01-126-7238
NSN 5920-01-411-4745