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 5960-01-017-5449
NSN 5915-01-217-5906
NSN 5855-01-059-2710
NSN 5945-01-069-0923
NSN 5920-01-553-8042
NSN 5950-01-360-5099
NSN 6685-01-483-8542
NSN 6110-01-451-2013
NSN 5985-00-642-7299
NSN 6240-00-292-3237
NSN 5905-01-503-0439
NSN 5990-00-775-2637