
F3459X12X08 | #12 NPT F to #8 ORB M 90
- 90-Degree Configuration
- #12 NPT to #8 ORB
- $15 Per Fitting





































AN ORB NPT Adapters are precision hydraulic fittings that enable seamless connections between O-Ring Boss (ORB) and National Pipe Thread (NPT) systems. These American-made adapters are available in straight and 90-degree configurations, thread sizes from #4 to #20, and various gender combinations to accommodate diverse hydraulic applications in construction, industrial, and mobile equipment.
Talk to our experts for custom solutions and tailored guidance.
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ORB (O-Ring Boss) uses straight threads with an O-ring seal, while NPT (National Pipe Thread) uses tapered threads that seal through thread interference. ORB provides more reliable sealing for high-pressure applications.
Talk to our experts for custom solutions and tailored guidance.

ORB NPT adapters enable reliable hydraulic connections in excavators, loaders, and heavy machinery.

Connect hydraulic presses, injection molding machines, and automated production equipment.

Support tractors, harvesters, and farm equipment with durable hydraulic connections.

Power forestry equipment, utility vehicles, and specialized mobile machinery applications.
Talk to our experts for custom solutions and tailored guidance.
Every adapter is designed, fabricated, and tested in our two USA facilities with raw materials sourced exclusively from North America for unmatched reliability.
Eliminate middlemen costs by purchasing directly from the source. Over a decade of manufacturing expertise ensures you receive the correct part at the best price.
Our team of engineers, welders, and operators are fellow heavy machinery customers who provide in-depth guidance from designers who built the components.
Submit your specifications and our hydraulic experts will respond within 24 hours with personalized recommendations and competitive pricing.
For immediate assistance, feel free to give us a direct call at 607-307-4029 You can also send us a quick email at info@ahshydraulics.com
For immediate assistance, feel free to give us a direct call at 607-307-4029 You can also send us a quick email at info@ahshydraulics.com