Stainless Steel JIC 37° Hydraulic Adapters Manufacturer & Wholesale Supplier
Hydraxio manufactures precision stainless steel JIC 37° hydraulic adapters engineered to SAE J514 and ISO 8434-2 standards.
Designed for high-pressure hydraulic systems, our adapters ensure reliable 37° flare metal-to-metal sealing performance in demanding industrial environments.
We supply North American wholesalers, European brands, and global OEM manufacturers with consistent quality and stable lead times.
Quick Details
Size Range: 1/8″ – 2″
Thread Options: JIC x JIC, JIC x NPT, JIC x ORB, JIC x BSP, JIC x ORFS
Material Grades: AISI 304 / 316 / 316L / 316Ti
Pressure Rating: Up to 430 Bar
Standard: SAE J514 / ISO 8434-2
OEM Service: Custom threads & private labeling available
Types of Stainless Steel JIC Hydraulic Adapeters
Stainless steel JIC 37° flare hydraulic adapters designed for high-pressure fluid power systems. Manufactured in AISI 304, 316, and 316L stainless steel for corrosion-resistant performance.
JIC Tube Nut
(SS-0318 Series)
Available in sizes 1/8″–2″.
Manufactured in AISI 304, 316, and 316L stainless steel.
JIC Tube Sleeve
(SS-0319 Series)
Available in sizes 1/8″–2″.
Compatible with standard 37° JIC flare connections.
NPT to JIC Male Adapter
(SS-2404 Series)
Available in 1/8″–2″ sizes.
Designed for NPT to JIC 37° thread conversion.
Long Hex NPT to JIC Male Adapter
(SS-2404-L Series)
Available in 1/8″–2″ sizes.
Extended hex design for easier installation.
JIC Male Union Adapter
(SS-2403 Series)
Available in sizes 1/8″–2″.
Used to connect two JIC 37° flare hydraulic lines.
Male Female JIC Adapter
(SS-2406 Series)
Available in sizes 1/8″–2″.
Designed for JIC thread extension applications.
Male JIC Plug
(SS-2408 Series)
Available in sizes 1/8″–2″.
Provides secure sealing for unused JIC ports.
Bulkhead JIC Nut
(SS-0306LN Series)
Available in sizes 1/8″–2″.
Designed for panel-mounted hydraulic connections.
NPT Female to JIC Male Adapter
(SS-2405 Series)
Available in sizes 1/8″–2″.
Converts NPT thread to JIC 37° flare connection.
NPT Male to JIC Female Swivel Adapter
(SS-6505 Series)
Available in sizes 1/8″–2″.
Allows swivel JIC connection to NPT systems.
Female Swivel JIC Union Adapter
(SS-6565 Series)
Available in sizes 1/8″–2″.
Provides flexible JIC flare union connections.
NPT Male to JIC Female Swivel 90° Elbow
(SS-6501 Series)
Available in sizes 1/8″–2″.
Designed for 90° NPT to JIC swivel conversion.
Male JIC Female Swivel 45 ° Elbow
(SS-6502 Series)
Available in sizes 1/8″–2″.
Provides 45° directional JIC swivel connection.
Male JIC Female Swivel 90 ° Elbow
(SS-6500 Series)
Available in sizes 1/8″–2″.
Designed for compact 90° JIC hydraulic routing.
Male JIC Tee
(SS-2603 Series)
Available in sizes 1/8″–2″.
Used for three-way JIC hydraulic line branching.
NPTF Male JIC Mael 90° Elbow
(SS-2501 Series)
Available in sizes 1/8″–2″.
Provides 90° connection between NPTF and JIC threads.
Thread Size Chart of JIC 37° Flare Fittings
JIC (Joint Industry Council) hydraulic adapters use a 37° flare seating surface to create a metal-to-metal seal. The table below shows standard JIC thread sizes, dash numbers, and corresponding thread outer diameters for accurate identification and system compatibility.
All stainless steel JIC hydraulic adapters are manufactured in accordance with SAE J514 standards.
| Inch size | Dash size | Thread Size | Male Thread O.D. (in) | Female thread O.D (in) | ||
|---|---|---|---|---|---|---|
| 1/8 | -2 | 5/16 – 24 | 5/16 | 0.31 | 9/32 | 0.27 |
| 3/16 | -3 | 3/8 – 24 | 3/8 | 0.38 | 11/32 | 0.34 |
| 1/4 | -4 | 7/16 – 20 | 7/16 | 0.44 | 13/32 | 0.39 |
| 5/16 | -5 | 1/2 – 20 | 1/2 | 0.50 | 15/32 | 0.45 |
| 3/8 | -6 | 9/16 – 18 | 9/16 | 0.56 | 17/32 | 0.51 |
| 1/2 | -8 | 3/4 – 16 | 3/4 | 0.75 | 11/16 | 0.69 |
| 5/8 | -10 | 7/8 – 14 | 7/8 | 0.88 | 13/16 | 0.81 |
| 3/4 | -12 | 1 1/16 – 12 | 1 1/16 | 1.06 | 1 | 0.98 |
| 7/8 | -14 | 1 3/16 – 12 | 1 3/16 | 1.19 | 1 1/8 | 1.10 |
| 1 | -16 | 1 5/16 -12 | 1 5/16 | 1.31 | 1 1/4 | 1.23 |
| 1 1/4 | -20 | 1 5/8 – 12 | 1 5/8 | 1.63 | 1 9/16 | 1.54 |
| 1 1/2 | -24 | 1 7/8 – 12 | 1 7/8 | 1.88 | 1 13/16 | 1.79 |
| 2 | -32 | 2 1/2 – 12 | 2 1/2 | 2.50 | 2 7/16 | 2.42 |
Understanding JIC Dash Sizes
JIC dash sizes correspond to tubing outside diameter expressed in sixteenths of an inch. For example, a -8 dash size equals 8/16 or 1/2 inch tube size. Correct dash size identification is essential when selecting stainless steel JIC hydraulic adapters for high-pressure fluid power systems.
Pressure Rating of JIC 37 Degree Hydraulic Tube Fittings
Stainless steel JIC hydraulic adapters are designed for high-pressure hydraulic systems utilizing a 37° flare metal-to-metal sealing surface. Working pressure depends on dash size, thread configuration, and whether the connection is flared or swivel type.
The table below shows standard working pressure ratings based on SAE J514 specifications.
| SAE Dash Size | Inch Tube O.D | Thread Size | Working Pressure of 37° JIC Flared (Mpa) | Working Pressure of 37° Female Swivel(Mpa) |
|---|---|---|---|---|
| -2 | 1/8" | 5/16-24 UNF | 34.50 | 34.50 |
| -3 | 3/16" | 3/8-24 UNF | 34.50 | 34.50 |
| -4 | 1/4" | 7/16-20 UNF | 34.50 | 31.00 |
| -5 | 5/16 | 1/2-20 UNF | 34.50 | 27.50 |
| -6 | 3/8" | 9/16-18 UNF | 34.50 | 27.50 |
| -8 | 1/2" | 3/4-16 UNF | 31.00 | 27.50 |
| -10 | 5/8" | 7/8-14 UNF | 24.00 | 21.00 |
| -12 | 3/4" | 1 1/16-12 UN | 24.00 | 21.00 |
| -14 | 7/8" | 1 3/16-12 UN | 21.00 | 17.00 |
| -16 | 1" | 1 5/16-12 UN | 21.00 | 17.00 |
| -20 | 1 1/4" | 1 5/8-12 UN | 17.00 | 14.00 |
| -24 | 1 1/2" | 1 7/8-12 UN | 14.00 | 10.50 |
| -32 | 2" | 2 1/2-12 UN | 10.50 | 8.00 |
Pressure Rating Notes
• Pressure ratings shown are for stainless steel adapters under normal operating conditions.
• Working pressure decreases as dash size increases.
• Always consider system temperature, vibration, and assembly torque during installation.
Stainless Steel JIC Adapters Cross Reference to Parker & Other Brands
Hydraxio’s SS hydraulic adapter fittings are completely equivalent to Parker, TITAN, Aeroquip, Brennan & Tompkins. Here are the quick details:
| Hydraxio | SAE | Parker | Aeroquip | TITAN/BI/Tompkins |
|---|---|---|---|---|
| SS-0318 Series | 70110 | BTX-SS Series | 259-1290 Series | SS-318 Series |
| SS-0319 Series | 70115 | TX-SS Series | 259-900605 Series | SS-319 Series |
| SS-2403 Series | 70101 | HTX-SS Series | 259-2027 Series | SS-2403 Series |
| SS-2404 Series | 70102 | FTX-SS Series | 259-2021 Series | SS-2404 Series |
| SS-2406 Series | 70123 | TRTXN-SS Series | 259-221501 Series | SS-2406 Series |
| SS-2408 Series | 70109 | PNTX-SS Series | 259-900599 Series | SS-2408 Series |
| SS-0306LN Series | 70118 | WLN-SS Series | 259-210212 Series | SS-306 Series |
| SS-2405 Series | 70103 | GTX-SS Series | 259-2022 Series | SS-2405 Series |
| SS-6505 Series | F6X-SS Series | 259-2018 Series | SS-6505 Series | |
| SS-6565 Series | HX6-SS Series | SS-6565 Series | ||
| SS-6501 Series | X6EF-SS Series | 259-2250 Series | SS-6501 Series | |
| SS-6502 Series | 70321 | V6X-SS Series | 259-2070 Series | SS-6502 Series |
| SS-6500 Series | 70221 | C6X-SS Series | 259-2071 Series | SS-6500 Series |
| SS-2603 Series | 70401 | JTX-SS Series | 259-2033 Series | SS-2603 Series |
| SS-2501 Series | 70202 | CTX-SS Series | 259-2024 Series | SS-2501 Series |
Applications of Stainless Steel JIC Hydraulic Fittings
Stainless steel JIC 37° hydraulic fittings are widely used in high-pressure hydraulic systems where corrosion resistance, structural strength, and long-term reliability are critical.
The 37° flare metal-to-metal sealing design (SAE J514) combined with stainless steel construction ensures stable performance in harsh and corrosive industrial environments.
Construction & Heavy Machinery
Vibration-resistant connections in mobile hydraulic systems.
Oil & Gas Equipment
High-pressure hydraulic lines exposed to aggressive environments.
Marine & Shipbuilding
Saltwater-resistant hydraulic systems requiring corrosion protection.
Agricultural Equipment
Outdoor hydraulic applications exposed to moisture and environmental stress.
Industrial Hydraulic Systems
Long-term durability in factory hydraulic operations.
Chemical Processing Industry
Stainless steel performance in corrosive fluid systems.
Frequently Asked Questions
JIC hydraulic adapters are fittings that use a 37° flare seating surface to create a metal-to-metal seal. They are widely used in North American hydraulic systems and comply with SAE J514 standards for reliable high-pressure connections.
The 37° flare refers to the cone angle used to create a sealing surface between the male and female connection. When tightened, the 37° flare forms a secure metal-to-metal seal capable of handling high-pressure hydraulic applications.
JIC and AN (Army-Navy) fittings both use a 37° flare design, but AN fittings are typically manufactured to military specifications with tighter tolerances. JIC fittings follow SAE J514 standards and are commonly used in industrial hydraulic systems.
Stainless steel JIC hydraulic adapters are commonly manufactured in AISI 304, 316, and 316L stainless steel. These materials provide excellent corrosion resistance for marine, chemical, and outdoor environments.
Working pressure depends on dash size, thread configuration, and material grade. Stainless steel JIC adapters are designed for high-pressure hydraulic systems and can handle demanding industrial applications when properly installed.
Yes. JIC hydraulic adapters manufactured according to SAE J514 standards are dimensionally compatible with major hydraulic brands, ensuring reliable interchangeability in most industrial applications.
Why Partner with Hydraxio for Stainless Steel Hydraulic Fittings?
✔ 20+ Years Stainless Steel Specialization
✔ 50+ CNC Precision Machines
✔ ISO-Certified Production & Inspection
✔ Global Bulk Supply to 50+ Countries
✔ OEM & Brand-Compatible Solutions
