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 5895-00-539-8322
NSN 5960-00-212-6367
NSN 6650-01-158-6888
NSN 6240-01-542-9964
NSN 6650-00-267-9815
NSN 5855-01-560-1022
NSN 6240-01-091-0264
NSN 5950-01-457-7370
NSN 5835-00-412-3284
NSN 6240-01-597-8430
NSN 6105-01-093-4770
NSN 5965-01-365-7470