4601X20X20 | #20 Hose Barb x #20 ORB M 90
9315X16X12 | #16 NPT F Swi to #12 ORB M
9515X08X06 | #6 JIC F to #8 ORB M 90
5315X16X20 | #16 JIC M to #20 ORB M Hydraulic Adapter
4601X12X12 | #12 Hose Barb to #12 ORB M 90
4314X08X12 | #8 NPT M to #12 ORB M Hydraulic Adapter
3269X12X16 | #12 NPT F to #16 ORB M Hydraulic Adapter
3269X12X12 | #12 NPT M to #12 ORB F Hydraulic Adapter
9315X12X16 | #12 NPT F Swivel to #16 ORB M
3269X12X10 | #12 NPT F to #10 ORB M Hydraulic Adapter
3269X20X24 | #20 NPT F to #24 ORB M
F5515X12X20 | #12 JIC M to #20 ORB M 90
F5515X10X12 | #10 JIC M to #12 ORB M 90
4601X16X12 | #16 Hose Barb to #12 ORB M 90
F5515X12X20 | #12 JIC M to #20 ORB M 90
9315X12X12 | #12 NPT F to #12 ORB M Swivel
F3459X06X08 | #6 NPT F to #8 ORB M 90
F3459X08X12 | #8 NPT F to #12 ORB M Hydraulic Adapter
9405X08X04 | #8 NPT M to #4 NPT F 90
F5405X04X04 | #4 JIC M to #4 NPT M 90
5205X20X20 | #20 JIC M to #20 NPT M Hydraulic Adapter
9205X12X12 | #12 NPT M to #12 NPT F
9205X08X08 | #8 NPT M to #8 NPT F Hydraulic Adapter
5305X08X08 | #8 JIC M to #8 JIC M Hydraulic Adapter
F5405X20X20 | #20 JIC M to #20 NPT M 90
3269X10X12 | #10 NPT F to #12 ORB M Hydraulic Adapter
F5405X04X06 | #4 JIC M to #6 NPT M 90
5015X06X08 | #6 JIC M to #8 JIC M
4205X06X06 | #6 NPT M to #6 NPT M
F5405X06X06 | #6 JIC M to #6 NPT M 90
4604X16X12 | #12 ORB Male to #16 Hose Barb
4604X12X08 | #12 Hose Barb to #8 ORB M
4601X20X16 | #20 Hose Barb x #16 ORB M 90
5315X20X24 | #20 JIC M to #24 ORB M Hydraulic Adapter
3269X12X12 | #12 NPT F to #12 ORB M Hydraulic Adapter
3269X20X20 | #20 NPT F to #20 ORB M
F5515X04X06 | #4 JIC M to #6 ORB M 90
6410X10X12 | #10 ORB M to #12 ORB F
3239X04X04 | #4 NPT F to #4 ORB M Hydraulic Adapter
Hydraulic Fittings
F3459X08X12 | #8 NPT F to #12 ORB M
6410X10X12 | #10 ORB M to #12 ORB F Hydraulic Adapter
3239X04X04 | #4 NPT F to #4 ORB M Hydraulic Adapter
5315X08X06 | #8 JIC M to #6 ORB M
F5515X04X06 | #4 JIC M to #6 ORB M 90
3269X20X20 | #20 NPT F to #20 ORB M
5315X04X06 | #4 JIC M to #6 ORB M
4601X16X12 | #16 Hose Barb to #12 ORB M 90
4601X20X20 | #20 Hose Barb x #20 ORB M 90
F3459X12X08 | #12 NPT F to #8 ORB M 90
5315X08X06 | #8 JIC M to #6 ORB M
4604X12X10 | #10 ORB to #12 Hose Barb
American Manufacturing certified

American Manufacturing

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.

Our Range of Products
4601X20X20 | #20 Hose Barb x #20 ORB M 90

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

  • 90-degree space-saving design
  • #20 hose barb x #20 ORB M
  • 42 units in stock
9315X16X12 | #16 NPT F Swi to #12 ORB M

9315X16X12 | #16 NPT F Swi to #12 ORB M

  • Swivel NPT design
  • #16 NPT F Swi to #12 ORB M
  • 30 units available
9515X08X06 | #6 JIC F to #8 ORB M 90

9515X08X06 | #6 JIC F to #8 ORB M 90

  • 90-degree JIC to ORB fitting
  • #6 JIC F to #8 ORB M
  • 2 units remaining
5315X16X20 | #16 JIC M to #20 ORB M Hydraulic Adapter

5315X16X20 | #16 JIC M to #20 ORB M Hydraulic Adapter

  • #16 JIC M to #20 ORB M
  • 39 units ready to ship
  • JIC & ORB system compatible
4601X12X12 | #12 Hose Barb to #12 ORB M 90

4601X12X12 | #12 Hose Barb to #12 ORB M 90

  • 90-degree elbow for tight spaces
  • #12 hose barb to #12 ORB M
  • 113 units ready to ship
4314X08X12 | #8 NPT M to #12 ORB M Hydraulic Adapter

4314X08X12 | #8 NPT M to #12 ORB M Hydraulic Adapter

  • #8 NPT M to #12 ORB M
  • 72 units in stock
  • $5.00 competitive price

Showing 1 to 6 of 52 results

Frequently Asked Questions

What size is SAE #4?

SAE #4 fittings typically have a 7/16-20 UNF thread and are designed for 1/4-inch hydraulic hose or tubing connections.

What does SAE stand for in hydraulic fittings?

What size is a #4 hydraulic hose?

What is an O-Ring Boss (ORB) fitting?

Are SAE #4 ORB fittings compatible with NPT threads?

What pressure rating do SAE #4 ORB fittings support?

Can I use swivel fittings in hydraulic systems?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Industrial Manufacturing

Industrial Manufacturing

SAE #4 ORB fittings connect hydraulic power units, presses, and automated machinery for reliable fluid power transmission.

Agricultural Equipment

Agricultural Equipment

Used in tractors, harvesters, and irrigation systems where compact hydraulic connections enable equipment operation.

Construction Machinery

Construction Machinery

Essential for excavators, loaders, and compactors requiring high-pressure hydraulic connections in demanding environments.

Mobile Hydraulics

Mobile Hydraulics

Powers log splitters, lift gates, and specialty vehicles where space-saving ORB connections ensure system reliability.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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

SAE O-Ring Boss to JIC Hydraulic Adapters

SAE O-Ring Boss to JIC Hydraulic Adapters provide reliable connections between ORB and JIC threaded hydraulic systems. Available in straight and 90-degree configurations from #4 to #24 thread sizes, these American-made adapters ensure leak-free performance in high-pressure applications. Engineered for industrial machinery, construction equipment, and mobile hydraulics with precision manufacturing standards.
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3239X04X04 | #4 NPT F to #4 ORB M Hydraulic Adapter

O-Ring Boss NPT Adapters Catalog

O-Ring Boss (ORB) to NPT adapters provide reliable hydraulic connections between O-Ring Boss and National Pipe Thread systems. These precision-engineered fittings ensure leak-free transitions in hydraulic applications across industrial machinery, mobile equipment, and construction systems. Available in multiple thread sizes (#4 through #24) and configurations including straight adapters, 90-degree elbows, and swivel designs, our American-made adapters deliver durability and performance for demanding hydraulic environments.
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F5515X06X04 | #6 JIC M to #4 ORB M 90

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.
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Why Industrial & Mobile Equipment Operators Choose HydraWolf Hydraulics Mfg

American-Made Quality

Over a decade of hydraulic manufacturing experience with all components designed, fabricated, and tested in our US facilities. Raw materials sourced exclusively from North America for consistent quality.

Direct Manufacturer Pricing

Purchase directly from the source and receive superior hydraulic components at unbeatable prices. Our in-house fabrication and streamlined processes ensure the highest value for your investment.

Expert Technical Support

Get direct support from the engineers and operators who design and build our hydraulic components. Our team understands your challenges because we're fellow heavy machinery operators and customers.

Need Help Finding the Right SAE #4 ORB Fitting?

Our hydraulic specialists are ready to assist with technical specifications and compatibility. Request a quote and receive expert guidance 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 Sales@TimberwolfEquip.com