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 5945-01-121-1190
NSN 5999-00-281-1021
NSN 5965-01-045-0247
NSN 5999-01-123-1298
NSN 6150-01-641-8897
NSN 5895-01-287-6792
NSN 5960-01-595-2614
NSN 6620-00-801-8885
NSN 5996-01-512-2040
NSN 6150-00-147-3115
NSN 6145-01-097-8341
NSN 6220-01-544-3413