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Plumbing Adapter Fittings

Whatever your vehicle, our adapter fittings will help you convert the plumbing system to AN-style braided stainless hoses.

Note: AN, BSP, and NPT nomenclature can be confusing because the nominal sizes do not refer to the outside diameter of the threads. If you are not sure if you have AN, BSP, or NPT threads, check in our Threaded Fitting Guide.

Related Product Categories

High-Performance Plumbing

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AN815 / AN919 Male to Male AN Union
AN815 / AN919 Male to Male AN Union

These AN815-style (equal-size unions) and AN919-style (unequal-size adapters) conform to JIC and SAE specifications.

Low Pressure Flapper Valve, Male AN Fittings
Low Pressure Flapper Valve, Male AN Fittings

Our low-pressure check valves allow virtually unimpeded flow in one direction, yet the internal flapper prevents flow in the opposite direction. They are used in AN fuel and oil scavenge lines.

Staubli SPH08 Clean-Break High-Pressure Male Coupling, FPM
Staubli SPH08 Clean-Break High-Pressure Male Coupling, FPM

Staubli SPH series quick-release clean-break male couplings are designed just for racing transmission and high-pressure oil lines. Male 6AN or 8AN fittings.