Is the Carbon Steel JIC Straight Fitting GE-UN with UNF/UNG threads compatible with standard hydraulic hoses and adapters?

Carbon Steel JIC Straight Fitting GE-UN with UNF/UNG Threads Format — Yes. This fitting uses the standard 37° JIC flare and external UNF threads, so it is compatible with most industry-standard hydraulic hoses and adapters designed for JIC/UNF connections. Its O-ring sealing and precision flare ensure a secure, leak-resistant joint, while carbon steel construction with galvanization provides durability and corrosion resistance suitable for demanding hydraulic and pneumatic systems. Ensure mating components match the 37° JIC specification and UNF thread size to guarantee proper fit and sealing.

Can the Carbon Steel JIC Straight Fitting GE-UN with UNF/UNG Threads withstand high-pressure cycling and vibration in mobile hydraulic equipment?

Yes — the Carbon Steel JIC Straight Fitting GE-UN with UNF/UNG Threads is well suited to withstand high-pressure cycling and vibration in mobile hydraulic equipment. Its carbon steel construction provides high mechanical strength and fatigue resistance, while the durable galvanization improves wear and corrosion resistance in harsh environments. The precise 37° JIC flare combined with external UNF threads and O-ring sealing ensures a secure, leak-free joint that tolerates pressure fluctuations and repeated cycling. Strong construction and protective coating reduce fretting and thread wear under vibration, lowering maintenance frequency and improving system reliability. Limitations and recommendations: ensure correct torque and installation, use the specified O-ring material compatible with your fluid and temperature range, and verify that the specific size and pressure rating of the GE-UN version match your system’s peak pressures and cyclic load profile. For extreme vibration or very high-frequency pressure pulsations, consider additional retention methods (lockwire, thread locker) or vibration-damping supports and consult manufacturer pressure-cycle fatigue data or perform application-specific testing.

Carbon Steel JIC Straight Fitting GE-UN with UNF/UNG Threads

Additional information

Material	CS – steel (cast iron)

The Straight JIC 37° fitting with external UNF thread and reliable O-ring sealing is a robust solution designed for demanding hydraulic and pneumatic systems. Manufactured from high-quality carbon steel and finished with durable galvanization, it ensures excellent resistance to corrosion, wear, and mechanical stress, even in challenging environments. The precise 37° flare angle guarantees a secure, leak-free connection, while the UNF thread provides compatibility with a wide range of industry-standard components. Thanks to its strong construction and protective coating, this fitting delivers long-lasting performance, reduces maintenance needs, and enhances system reliability. Ideal for applications requiring both strength and precision, it offers a cost-effective way to optimize fluid transfer efficiency and safety.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HJ-GE-07-UN-07	GZ JIC 7/16"-20 / GZ UNF 7/16"-20 fitting	-	400	In stock	Enquiry
HJ-GE-07-UN-08	GZ JIC 7/16"-20 / GZ UNF 1/2"-20 fitting	-	400	In stock	Enquiry
HJ-GE-07-UN-09	GZ JIC 7/16"-20 / GZ UNF 9/16"-18 fitting	-	350	In stock	Enquiry
HJ-GE-07-UN-12	GZ JIC 7/16"-20 / GZ UNF 3/4"-16 fitting	-	350	In stock	Enquiry
HJ-GE-08-UN-08	GZ JIC 1/2"-20 fitting / GZ UNF 1/2"-20	-	350	In stock	Enquiry
HJ-GE-08-UN-09	GZ JIC 1/2"-20 / GZ UNF 9/16"-18 fitting	-	350	In stock	Enquiry
HJ-GE-09-UN-07	GZ JIC 9/16"-18 / GZ UNF 7/16"-20 fitting	-	350	In stock	Enquiry
HJ-GE-09-UN-08	GZ JIC 9/16"-18 / GZ UNF 1/2"-20 fitting	-	350	In stock	Enquiry
HJ-GE-09-UN-09	GZ JIC 9/16"-18 / GZ UNF 9/16"-18 fitting	-	350	In stock	Enquiry
HJ-GE-09-UN-12	GZ JIC 9/16"-18 / GZ UNF 3/4"-16 fitting	-	350	In stock	Enquiry
HJ-GE-09-UN-14	GZ JIC 9/16"-18 / GZ UNF 7/8"-14 fitting	-	350	In stock	Enquiry
HJ-GE-12-UN-09	GZ JIC 3/4"-16 / GZ UNF 9/16"-18 fitting	-	350	In stock	Enquiry
HJ-GE-12-UN-12	GZ JIC 3/4"-16 fitting / GZ UNF 3/4"-16	-	350	In stock	Enquiry
HJ-GE-12-UN-14	GZ JIC 3/4"-16 / GZ UNF 7/8"-14 fitting	-	350	In stock	Enquiry
HJ-GE-12-UN-17	GZ JIC 3/4"-16 / GZ UNF 1.1/16"-12 fitting	-	350	In stock	Enquiry
HJ-GE-14-UN-12	GZ JIC 7/8"-14 / GZ UNF 3/4"-16 fitting	-	350	In stock	Enquiry
HJ-GE-14-UN-14	GZ JIC 7/8"-14 fitting / GZ UNF 7/8"-14	-	350	In stock	Enquiry
HJ-GE-14-UN-17	GZ JIC 7/8"-14 / GZ UNF 1.1/16"-12 fitting	-	350	In stock	Enquiry
HJ-GE-17-UN-12	GZ JIC 1.1/16"-12 / GZ UNF 3/4"-16 connector	-	350	In stock	Enquiry
HJ-GE-17-UN-14	GZ JIC 1.1/16"-12 / GZ UNF 7/8"-14 connector	-	350	In stock	Enquiry
HJ-GE-17-UN-17	GZ JIC 1.1/16"-12 / GZ UNF 1.1/16"-12 connector	-	350	In stock	Enquiry
HJ-GE-17-UN-21	GZ JIC 1.1/16"-12 / GZ UNF 1.5/16"	-	290	In stock	Enquiry
HJ-GE-21-UN-14	GZ JIC 1.5/16"-12 / GZ UNF 7/8"-14 fitting	-	290	In stock	Enquiry
HJ-GE-21-UN-17	GZ JIC 1.5/16"-12 / GZ UNF 1.1/16"-12 connector	-	290	In stock	Enquiry
HJ-GE-21-UN-21	GZ JIC 1.5/16"-12 / GZ UNF 1.5/16"-12 connector	-	290	In stock	Enquiry
HJ-GE-21-UN-26	GZ JIC 1.5/16"-12 fitting / GZ UNF 1.5/8"-12	-	240	In stock	Enquiry
HJ-GE-26-UN-21	GZ JIC 1.5/8"-12 / GZ UNF 1.5/16"-12 fitting	-	240	In stock	Enquiry
HJ-GE-26-UN-26	GZ JIC 1.5/8"-12 / GZ UNF 1.5/8"-12 connector	-	240	In stock	Enquiry
HJ-GE-30-UN-26	GZ JIC 1.7/8"-12 / GZ UNF 1.5/8"-12 fitting	-	240	In stock	Enquiry
HJ-GE-30-UN-30	GZ JIC 1.7/8"-12 fitting / GZ UNF 1.7/8"-12	-	240	In stock	Enquiry

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The Straight JIC 37° fitting with external UNF thread and reliable O-ring sealing is a robust solution designed for demanding hydraulic and pneumatic systems. Manufactured from high-quality carbon steel and finished with durable galvanization, it ensures excellent resistance to corrosion, wear, and mechanical stress, even in challenging environments. The precise 37° flare angle guarantees a secure, leak-free connection, while the UNF thread provides compatibility with a wide range of industry-standard components. Thanks to its strong construction and protective coating, this fitting delivers long-lasting performance, reduces maintenance needs, and enhances system reliability. Ideal for applications requiring both strength and precision, it offers a cost-effective way to optimize fluid transfer efficiency and safety.