A112.181m < 2025-2027 >

Occasionally, standards are proposed (draft numbers) and later withdrawn. A112.181M does not appear in current ASTM, ISO, DIN, or SAE databases. The “M” suggests metric, but the ".181" sub-number is unusual for ASTM.

Many manufacturers use alphanumeric codes like for: a112.181m

This standard dictates the performance, testing, and design requirements for "Plumbing Supply Fittings," which include: (Kitchen, sink, and lavatory) Showerheads and hand-held showers Aerators and terminal fittings Supply stops and valves Why This Code Matters to You Many manufacturers use alphanumeric codes like for: This

In an era where "Congratulations! You’ve won!" emails clog our inboxes, this statute is the line between a legitimate marketing campaign and a criminal enterprise. You’re under the sink, flashlight in hand, trying

The Faucet Mystery: What Is "A112.181M" Actually? You’re under the sink, flashlight in hand, trying to fix a leak or replace a spray head. You spot a string of characters etched into the metal: . You think, "Aha! The model number!"

You type it into a search bar, expecting a direct link to a replacement part, only to find yourself in a rabbit hole of forum posts and mixed results. If this is you, don't worry—you haven't found a model number; you've found a "secret" code that is much more common than you think. It’s Not a Model Number—It’s a Standard