Description
When you’re plumbing hydraulic lines and need to connect different thread types, you’ll often find yourself needing an adapter that can handle the job without creating weak points. This straight adapter takes a 1 1/4-11 1/2 Female NPTF thread and converts it to a 1-5/8-12 Female JIC Swivel connection, giving you the flexibility to connect components that wouldn’t otherwise fit together.
What You’re Getting
- Heavy-duty construction rated for 2500 PSI operating pressure to handle demanding hydraulic applications
- Swivel JIC end allows for easy connection without twisting the entire line
- 2-inch hex flats on both body and nut for secure installation with standard wrenches
- Straight configuration keeps your plumbing clean and reduces potential leak points
- Direct thread connection—no modifications or reducers needed
Built for Real Farm Work
This adapter works with hydraulic systems across various agricultural equipment where you need to join NPTF and JIC threaded components. You’ll find similar fittings on everything from loader circuits to remote hydraulic systems across different tractor brands. Whether you’re connecting auxiliary lines, hydraulic motors, or custom plumbing on implements, this adapter handles the connection without adding unnecessary bulk to your system.
Made to Last
Hydraulic fittings take a beating from pressure cycles, temperature changes, and constant vibration. This AgSmart adapter is built to handle those conditions with materials that won’t fail under the stresses of daily farm use. The 2500 PSI pressure rating gives you plenty of margin for typical agricultural hydraulic applications.
Installation Notes
Thread the JIC end onto your hydraulic component first, then connect your NPT fitting to the other side. Use thread sealant on the NPT threads for the best seal. The 2-inch hex makes it easy to get the right torque without overtightening, and the swivel feature means you won’t have to fight twisted lines during assembly.


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