This document provides users with ability to select alternative metric valves, fittings, threads, flanges, nuts and bolts, pipes and tubing, sheet and strip and thickness, thereof, to those commonly specified using other non-metric designs. The document provides users with a collection of alternative metric devices for valves, fittings, threads, and flanges, nuts and bolts, pipes and tubing, sheet and strip and thickness, thereof when authoring IEEE standards.