Description
When you’re hooking up hydraulic lines on your tractor, having the right adapter can make all the difference between a quick connection and a frustrating project. This straight adapter converts from a 9/16-18 male ORB (O-Ring Boss) fitting to a 3/8-18 female NPTF (National Pipe Taper Fuel) port, letting you connect different hydraulic components that wouldn’t otherwise fit together.
What You’re Getting
- Straight-through design that maintains proper flow without creating sharp bends or restrictions
- Heavy-duty construction rated for 6000 PSI operating pressure to handle high-demand hydraulic systems
- 7/8 hex size makes it easy to tighten with standard wrenches during installation
- Precision-machined threads ensure reliable sealing and smooth connection
Built for Real Farm Work
This adapter works with a wide range of agricultural hydraulic systems where you need to connect ORB fittings to NPTF ports. Whether you’re plumbing hydraulic lines on loaders, connecting remote hydraulic outlets, or adapting aftermarket hydraulic implements, this fitting handles the job. The compact straight design fits in tight spaces where angled adapters won’t work.
Made to Last
Farm hydraulics take a beating from pressure spikes, vibration, and weather exposure. This adapter is built to handle the demands of daily farm operation with quality materials that resist corrosion and wear. The 6000 PSI rating gives you plenty of safety margin for typical agricultural hydraulic pressures.
Good to Know
When installing ORB fittings, make sure the O-ring is properly seated and don’t overtighten—the O-ring does the sealing, not thread torque. For the NPTF side, use appropriate thread sealant since it’s a tapered pipe thread. Keep a few of these adapters on hand since they’re handy for all kinds of hydraulic projects around the farm.






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