F5515X06X04 | #6 JIC M to #4 ORB M 90
3269X12X12 | #12 NPT F to #10 ORB M Hydraulic Adapter
F5515X12X08 | #12 JIC M to #8 ORB M 90
4604X16X16 | #16 Hose Barb to #16 ORB M
4604X12X12 | #12 ORB M to #12 Hose Barb
4601X16X16 | #16 Hose Barb to #16 ORB M 90
5315X10X08 | #10 JIC M to #8 ORB M
Hydraulic Hose Fittings
3269X20X20 | #20 ORB F to #20 NPT M Hydraulic Adapter
Hydraulic Tank Fittings
F3459X12X08 | #12 NPT F to #16 ORB M 90
5315X04X06 | #4 JIC M to #6 ORB M
5205X12X12 | #12 NPT M to #12 JIC F Hydraulic Adapter
5205X16X12 | #16 JIC M to #12 NPT M
F3609X12X12X12 #12 Female Branch Tee NPT
F5455X20X20 | #20 NPT M to #20 NPT F 90
5015X06X08 | #6 JIC M to #8 JIC M
5015X12X12 | #12 JIC M to #12 JIC Female
5015X12X10 | #12 JIC M to #10 JIC Female
9405X08X12 | #8 NPT M to #12 NPT F 90 Swivel
F5405X06X06 | #6 JIC M to #6 NPT M 90
3209X08X12 | #8 NPT M to #12 NPT F
3069X20X16 | #20 NPT M to #16 NPT M
ISO 9001:2015 certified

ISO 9001:2015

Made in USA certified

Made in USA

O-Ring Face Seal Hydraulic Fittings Selection

O-Ring Face Seal (ORFS) hydraulic fittings provide leak-free connections through metal-to-metal sealing with an elastomeric O-ring. These precision-engineered fittings accommodate high-pressure hydraulic systems across industrial, mobile, and construction equipment applications. Compatible with multiple thread standards including ORB, NPT, and JIC, our American-made fittings ensure reliable fluid power transmission with superior sealing performance and durability.

Our Range of Products

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

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

  • 90-degree directional elbow
  • Precision AHS manufacturing
  • Compact tight-space fitting
3269X12X12 | #12 NPT F to #10 ORB M Hydraulic Adapter

3269X12X12 | #12 NPT F to #10 ORB M Hydraulic Adapter

  • NPT Female to ORB Male design
  • Precision secure connections
  • Competitively priced at $3.00
F5515X12X08 | #12 JIC M to #8 ORB M 90

F5515X12X08 | #12 JIC M to #8 ORB M 90

  • 90-degree elbow configuration
  • JIC to ORB male connection
  • Compact tight-space design
4604X16X16 | #16 Hose Barb to #16 ORB M

4604X16X16 | #16 Hose Barb to #16 ORB M

  • #16 ORB to hose barb adapter
  • Reliable system connections
  • High demand product availability
4604X12X12 | #12 ORB M to #12 Hose Barb

4604X12X12 | #12 ORB M to #12 Hose Barb

  • ORB to hose barb connection
  • O-Ring Boss sealing system
  • 54 units in stock ready
4601X16X16 | #16 Hose Barb to #16 ORB M 90

4601X16X16 | #16 Hose Barb to #16 ORB M 90

  • 90-degree angled connection
  • #16 hose barb to ORB male
  • 76 units ready to ship

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Frequently Asked Questions

What type of O-ring is used in hydraulic fittings?

Hydraulic fittings typically use nitrile (Buna-N) or Viton O-rings, selected based on fluid compatibility, temperature range, and pressure requirements for the application.

What is the difference between JIC and O-ring face seal?

What thread sizes are available for ORB fittings?

Can I convert between NPT and ORB connections?

What is the pressure rating for O-ring face seal fittings?

Are 90-degree elbow fittings available for ORB connections?

How do I ensure proper O-ring seal installation?

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

Heavy-duty ORB fittings for excavators, loaders, and mobile machinery requiring reliable high-pressure connections.

Industrial Manufacturing

Industrial Manufacturing

Precision hydraulic connections for automated manufacturing equipment, presses, and fluid power systems.

Agricultural Machinery

Agricultural Machinery

Durable ORB fittings for tractors, harvesters, and farm equipment operating in demanding outdoor environments.

Firewood Processing

Firewood Processing

Specialized hydraulic connections for log splitters, conveyors, and firewood processing equipment requiring leak-free operation.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

You might also like

4601X20X20 | #20 Hose Barb x #20 ORB M 90

SAE 4 Hydraulic Fittings - O-Ring Boss Options

SAE 4 Hydraulic Fittings with O-Ring Boss (ORB) configurations provide reliable, leak-free connections in hydraulic systems. These precision-engineered fittings feature #4 thread size and are compatible with NPT, JIC, and hose barb connections. Designed for high-pressure applications, they ensure secure fluid transfer in industrial, mobile, and agricultural hydraulic equipment. Available in straight, 90-degree elbow, and swivel configurations for versatile system integration.
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Hydraulic Fittings

NPT and O-Ring Boss Adapters & Fittings

NPT and O-Ring Boss adapters and fittings provide reliable connections in high-pressure hydraulic systems. These American-made steel components include straight adapters, 90-degree elbows, and male-to-male configurations in thread sizes from #4 to #20. Engineered for construction equipment, industrial machinery, and firewood processing applications, these fittings ensure leak-free performance with ORB o-ring seals and NPT tapered threads.
Learn More
Hydraulic Hose Fittings

Hydraulic Hoses and Fittings | Industrial Grade Components

Industrial-grade hydraulic hoses and fittings engineered for reliable, high-pressure fluid power systems. Our comprehensive selection includes ORB, NPT, JIC, and hose barb connections in sizes #4 through #20, designed for demanding applications in construction, agriculture, and industrial machinery. American-made components with precision threading, O-ring seals, and durable steel construction ensure leak-free performance in hydraulic cylinders, pumps, valves, and fluid transfer systems.
Learn More

Why Hydraulic Equipment Operators Choose HydraWolf Hydraulics Mfg

American-Made Manufacturing Excellence

Over a decade of experience engineering and fabricating hydraulic components in the USA with the highest quality control standards and in-house production capabilities.

Direct Manufacturer Pricing & Support

Purchase directly from the manufacturer ensuring correct parts, competitive pricing, and technical support from the engineers who design and build our components.

Proven Reliability & Performance

Trusted by firewood processing, construction, and industrial equipment operators for superior components with tried-and-tested designs and innovative hydraulic functions.

Get Expert Guidance on O-Ring Face Seal Hydraulic Fittings

Submit your specifications and our experienced engineers will help you select the right fittings for your hydraulic system. Quick response guaranteed.

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 Sales@TimberwolfEquip.com