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 5965-01-393-9688
NSN 6685-01-483-7774
NSN 5975-01-352-5853
NSN 5915-01-123-8292
NSN 6620-01-048-4145
NSN 5965-00-912-9318
NSN 5975-01-120-3728
NSN 5895-00-276-0596
NSN 6620-01-028-6374
NSN 5920-01-047-2901
NSN 5920-01-540-8816
NSN 6240-01-347-5476