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 5990-01-178-6307
NSN 6610-00-751-7916
NSN 5999-01-537-0977
NSN 6320-01-419-1225
NSN 6610-01-265-1824
NSN 6620-01-441-0240
NSN 5960-01-502-0344
NSN 5945-01-297-8575
NSN 5985-01-335-3370
NSN 5855-00-548-4742
NSN 5905-00-894-8702
NSN 6620-01-026-0346