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 6240-01-423-8642
NSN 4140-01-257-1089
NSN 5920-01-288-2179
NSN 5975-00-276-7559
NSN 5985-01-461-3062
NSN 6130-01-246-4154
NSN 5930-01-329-2760
NSN 5855-00-885-8452
NSN 5935-01-570-5414
NSN 5920-00-170-4247
NSN 6105-00-404-2014
NSN 5996-00-222-9632