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 5930-01-634-0659
NSN 6685-01-239-1314
NSN 5855-01-389-3091
NSN 5930-01-312-1155
NSN 5915-01-013-8995
NSN 5945-01-062-2239
NSN 6150-01-101-9847
NSN 5999-01-232-6836
NSN 5999-00-759-3572
NSN 5965-01-591-4486
NSN 5985-00-193-3501
NSN 5996-00-218-1123