Aeroquip FCM2170 -16AN to -12AN Male Union Reducer Straight Adapter Blue Anodized Aluminum

The Aeroquip FCM2170 is a straight male AN-to-AN union reducer adapter designed for high-performance plumbing systems. It connects a -16 AN male fitting on one end to a -12 AN male fitting on the other, allowing builders to step down line sizes cleanly in a single inline component.

Machined from lightweight aluminum with a blue anodized finish, this adapter offers excellent corrosion resistance and a secure, leak-free connection when used as part of a properly assembled AN plumbing system. The straight profile makes it easy to route in tight spaces without additional bends or adapters.

Key Features:

• Straight union reducer — -16 AN Male x -12 AN Male
• Blue anodized aluminum construction — lightweight and corrosion resistant
• SAE 37° (JIC/AN) flare seat for a reliable, leak-free seal
• Suitable for fuel, oil, coolant, and other high-performance fluid systems
• Retail carded packaging (FC-prefix); also available in bulk as FBM2170

Note: Eaton Aeroquip fitting tolerances are engineered specifically to match Aeroquip hose tolerances. Use of Aeroquip fittings with hose from other manufacturers — or vice versa — may produce unreliable hose assemblies and is not recommended or authorized by Eaton.