SKU: EARAT981668ERL
UPC: 021432214278
MPN: AT981668ERL
The EARLS #6 Male to 1/2in NPT Ano-Tuff Adapter is a straight-port AN fitting engineered for high-pressure hydraulic and fuel line applications where AN and NPT threaded connections must interface. This aluminum adapter features EARLS' black anodized Ano-Tuff finish, delivering corrosion resistance and durability in demanding environments including motorsport, aerospace, marine, and industrial hydraulic systems. The adapter enables seamless integration between 6 AN male ports and 1/2 inch NPT male inlets without the need for additional fittings or adapters.
Constructed from aluminum and finished with black anodize coating, this fitting delivers lightweight performance while resisting oxidation and surface corrosion. The straight configuration means fluid flows directly through without directional elbows or bends, minimizing pressure loss and heat generation in systems where flow efficiency matters. At just 0.04 lbs, the adapter's compact footprint (2.95 x 1.15 x 0.95 inches) fits into tight engine bays and manifold configurations without sacrificing structural integrity. The 6 AN to 1/2 inch NPT thread conversion is a common pairing in custom fuel system builds, turbo boost line installations, and retrofit hydraulic plumbing where original equipment ports don't align with aftermarket component threading.
This adapter serves builders and technicians who need a single, reliable transition fitting between AN hose assemblies and NPT-threaded ports on pumps, filters, coolers, and manifolds. High-pressure applications—whether fuel injection systems, coolant loops, or brake fluid routing—benefit from the precision machining EARLS is known for in the performance automotive and aviation sectors. The anodized aluminum construction handles thermal cycling and vibration that would compromise inferior zinc-plated fittings, making this adapter a dependable choice for systems operating at sustained pressures or in corrosive environments.
AN to NPT adapters are foundational components in any custom plumbing system where OEM and aftermarket ports use different thread standards. This EARLS model's black anodized finish and lightweight aluminum body make it a practical upgrade over bare zinc or chromed alternatives, particularly in enclosed engine compartments where aesthetics and corrosion resistance both matter. Verify thread pitch and port depth compatibility with your specific application before installation to ensure a leak-free seal.
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