3239X04X04 | #4 NPT F to #4 ORB M Hydraulic Adapter
5315X04X06 | #4 JIC M to #6 ORB M
F5515X04X06 | #4 JIC M to #6 ORB M 90
F5515X06X04 | #6 JIC M to #4 ORB M 90
3209X04X04 | #4 NPT M to #4 NPT F Hydraulic Adapter
Made in USA certified

Made in USA

4AN ORB Fittings for Hydraulic Systems

4AN ORB fittings are precision-engineered hydraulic adapters designed for reliable, leak-resistant connections in fluid power systems. Featuring O-Ring Boss (ORB) threads and multiple connection configurations including NPT, JIC, and ORB variants, these fittings enable secure fluid transfer in industrial hydraulic equipment. Available in straight and 90-degree elbow configurations, they support system conversions and space-constrained installations across mobile machinery, construction equipment, and agricultural applications.

Our Range of Products
3239X04X04 | #4 NPT F to #4 ORB M Hydraulic Adapter

3239X04X04 | #4 NPT F to #4 ORB M Hydraulic Adapter

  • NPT Female to ORB Male connection
  • 52 units in stock for fast shipping
  • Precision-engineered reliability
5315X04X06 | #4 JIC M to #6 ORB M

5315X04X06 | #4 JIC M to #6 ORB M

  • #4 JIC to #6 ORB Male adapter
  • 5-star customer rating
  • Budget-friendly $1.50 price
F5515X04X06 | #4 JIC M to #6 ORB M 90

F5515X04X06 | #4 JIC M to #6 ORB M 90

  • 90-degree elbow configuration
  • #4 JIC M to #6 ORB M connection
  • 95 units in stock
F5515X06X04 | #6 JIC M to #4 ORB M 90

F5515X06X04 | #6 JIC M to #4 ORB M 90

  • 90-degree directional change
  • #6 JIC M to #4 ORB M fitting
  • Compact for tight spaces
3209X04X04 | #4 NPT M to #4 NPT F Hydraulic Adapter

3209X04X04 | #4 NPT M to #4 NPT F Hydraulic Adapter

  • NPT Male to Female extension
  • Universal NPT compatibility
  • 53 units in stock

Frequently Asked Questions

What size is a #4 fitting?

A #4 fitting has a 7/16"-20 UNF thread size and is designed for 1/4" tubing. This is a standard AN (Army-Navy) size used in hydraulic and fluid power systems.

What is the difference between ORB and NPT threads?

Can I mix JIC and ORB fittings in my hydraulic system?

What is the advantage of 90-degree elbow fittings?

Are these fittings compatible with high-pressure hydraulic systems?

How do I ensure I'm ordering the correct fitting configuration?

What industries commonly use 4AN ORB hydraulic fittings?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Construction Equipment

Construction Equipment

Essential for hydraulic line connections in excavators, loaders, and dozers requiring reliable fluid power systems.

Agricultural Machinery

Agricultural Machinery

Critical components for tractors, harvesters, and irrigation systems demanding leak-resistant hydraulic connections.

Industrial Manufacturing

Industrial Manufacturing

Powers fluid transfer systems in manufacturing equipment, presses, and automated machinery requiring precision connections.

Mobile Hydraulics

Mobile Hydraulics

Enables reliable fluid power in log splitters, firewood processors, and portable equipment in demanding field conditions.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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5315X08X06 | #8 JIC M to #6 ORB M | ORB to AN Adapters and Hydraulic Components

ORB to AN Adapters and Hydraulic Components

ORB to AN adapters and hydraulic components are precision-engineered fittings designed to connect O-Ring Boss (ORB) and JIC/AN hydraulic systems. These adapters enable secure, leak-resistant connections between different thread standards, including NPT, JIC, and hose barb configurations. Available in various sizes (#4 to #24) and configurations (straight, 90-degree elbows, swivels), these components are essential for industrial hydraulic equipment, mobile machinery, and fluid power systems requiring reliable high-pressure connections.
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ORB Female Hydraulic Fittings

ORB Female Hydraulic Fittings provide secure, leak-free connections in high-pressure hydraulic systems. These O-Ring Boss fittings feature female threads designed to mate with male ORB connections, ensuring reliable sealing through metal-to-metal contact with O-ring compression. Available in multiple thread sizes (#8 through #20) and configurations including straight adapters and 90-degree elbows, these American-made fittings serve industrial, agricultural, construction, and mobile hydraulic applications requiring 3000 PSI performance.
F3459X06X08 | #6 NPT F to #8 ORB M 90 | ORB to AN Hydraulic Fittings: High Flow Performance Guide

ORB to AN Hydraulic Fittings: High Flow Performance Guide

ORB to AN hydraulic fittings provide reliable, high-flow connections for demanding hydraulic systems. Engineered with O-Ring Boss and Army-Navy (AN/JIC) thread standards, these precision adapters deliver leak-free performance across construction, agricultural, and industrial applications. HydraWolf offers American-made fittings in multiple configurations including straight, 90-degree elbows, and swivel designs for versatile system integration.

Why Industrial Equipment Operators Choose AHS Hydraulics

American Manufacturing Excellence

All hydraulic fittings engineered, manufactured, and assembled in Upstate NY with raw materials sourced from North America, ensuring superior quality control and reliability.

Direct Manufacturer Pricing

Purchase directly from the source and eliminate middleman markups. Our in-house fabrication and streamlined processes deliver unbeatable value without compromising quality.

Expert Technical Support

Get direct support from the engineers and builders who design these fittings. Our team are fellow heavy machinery operators who understand your applications firsthand.

Get the Right 4AN ORB Fitting for Your Hydraulic System

Our hydraulic specialists will help you select the correct fitting configuration and ensure compatibility with your equipment. Expect a response within 24 hours.

Contact Us Today

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