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 6150-01-377-2620
NSN 5930-01-177-4474
NSN 7035-01-141-8076
NSN 6610-01-561-9971
NSN 5965-01-197-6924
NSN 6145-00-117-8861
NSN 6610-01-431-8575
NSN 6320-00-382-7825
NSN 4140-00-295-0787
NSN 6135-00-432-8779
NSN 5920-01-152-1949
NSN 6645-01-424-4667