12AN STR Male Adapter 1in NPT Male Blue

The 12AN STR Male Adapter 1in NPT Male Blue from REDHORSE PERFORMANCE is a precision hydraulic and pneumatic fitting engineered for high-pressure fluid transfer systems. This straight adapter bridges two common industrial and automotive connection standards—12 AN (Army-Navy) male ports and 1 inch NPT (National Pipe Thread) male ports—making it essential for custom fuel systems, brake lines, cooling circuits, and pneumatic applications. Built for technicians and fabricators who demand reliable, leak-free connections in demanding environments, this adapter eliminates the need for multiple fittings or makeshift solutions.

Manufactured from aluminum and finished with blue anodizing, the 12AN STR Male Adapter delivers both durability and corrosion resistance in high-vibration and wet conditions. The anodized coating protects the aluminum substrate while the straight geometry (STR) ensures zero offset between inlet and outlet ports, simplifying installation in tight spaces. The precision thread engagement on both the 12 AN male side and 1 inch NPT male side guarantees zero-leak performance when properly assembled with compatible adapters or hose fittings, meeting industrial standards for pressure-rated applications.

This adapter is ideal for custom automotive cooling systems, fuel delivery upgrades, brake system modifications, and industrial pneumatic plumbing where NPT and AN standards must coexist. Weighing just 0.16 pounds with compact 2.8 x 1.4 x 3.75 inch dimensions, it installs cleanly without adding bulk to engine bays or system layouts. Buyers should confirm NPT port thread compatibility with their existing system components and use appropriate thread sealant (such as PTFE tape or anaerobic compound) for optimal performance in pressurized applications.