Is the JIC Straight Fitting with Carbon Steel NPT Socket, GE-NT Type compatible with standard NPT threads and sealed with PTFE tape or anaerobic sealant?

Yes. The JIC Straight Fitting with Carbon Steel NPT Socket, GE-NT Type is compatible with standard NPT threads and is designed to form a reliable seal when used with PTFE (Teflon) tape or an anaerobic thread sealant. Its carbon steel construction with zinc coating offers corrosion resistance and durability, while the NPT thread provides a tight seal with proper sealing compound. The 37° JIC flare ensures correct alignment and leak‑resistant performance in hydraulic and high‑pressure applications.

Can the JIC Straight Fitting with Carbon Steel NPT Socket, GE-NT Type be used in corrosive environments, and does its zinc coating provide adequate long-term protection?

Yes — the JIC Straight Fitting with Carbon Steel NPT Socket, GE-NT Type can be used in corrosive environments, but with caveats. Its carbon steel construction gives strength for high‑pressure hydraulic service, and the durable zinc coating offers good short‑ to mid‑term corrosion resistance against general industrial atmospheres, moisture, and moderate chemical exposure. For many typical industrial and hydraulic applications this finish will provide adequate protection and prolong service life. However, zinc plating has limits: in highly corrosive conditions (sea spray/saline environments, strong acids or alkalis, prolonged chemical immersion, or environments with high humidity and chlorides) zinc can degrade over time and may not provide sufficient long‑term protection. For such aggressive environments consider alternative materials or coatings (stainless steel, specialized corrosion‑resistant alloys, or more robust coatings like nickel or epoxy) and use compatible sealants. Regular inspection and maintenance (checking for coating damage, corrosion, and leaks) will also extend life and safety.

Fitting straight JIC with a male NPT thread of carbon steel, type GE-NT

Additional information

Material	CS – steel (cast iron)

Fitting straight JIC 37° with thread external NPT (sealing on the thread – PTFE tape or anaerobic sealant). Material: steel carbon, galvanized.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HJ-GE-07-NT-02	Fitting male JIC 7/16"-20 / 1/8" NPT male	-	350	In stock	Enquiry
HJ-GE-07-NT-04	Fitting male JIC 7/16"-20 / 1/4" NPT male	-	350	In stock	Enquiry
HJ-GE-07-NT-06	Fitting male JIC 7/16"-20 / 3/8" NPT male	-	350	In stock	Enquiry
HJ-GE-07-NT-08	Fitting male JIC 7/16"-20 / 1/2" NPT male	-	350	In stock	Enquiry
HJ-GE-08-NT-02	Fitting male JIC 1/2"-20 / 1/8" NPT male	-	350	In stock	Enquiry
HJ-GE-08-NT-04	Fitting male JIC 1/2"-20 / 1/4" NPT male	-	350	In stock	Enquiry
HJ-GE-09-NT-02	Fitting male JIC 9/16"-18 / 1/8" NPT male	-	350	In stock	Enquiry
HJ-GE-09-NT-04	Fitting male JIC 9/16"-18 / 1/4" NPT male	-	350	In stock	Enquiry
HJ-GE-09-NT-06	Fitting male JIC 9/16"-18 / 3/8" NPT male	-	350	In stock	Enquiry
HJ-GE-09-NT-08	Fitting male JIC 9/16"-18 / 1/2" NPT male	-	350	In stock	Enquiry
HJ-GE-12-NT-04	Fitting male JIC 3/4"-16 / 1/4" NPT male	-	350	In stock	Enquiry
HJ-GE-12-NT-06	Fitting male JIC 3/4"-16 / 3/8" NPT male	-	350	In stock	Enquiry
HJ-GE-12-NT-08	Fitting male JIC 3/4"-16 / 1/2" NPT male	-	350	In stock	Enquiry
HJ-GE-12-NT-12	Fitting male JIC 3/4"-16 / 3/4" NPT male	-	350	In stock	Enquiry
HJ-GE-14-NT-06	Fitting male JIC 7/8"-14 / 3/8" NPT male	-	350	In stock	Enquiry
HJ-GE-14-NT-08	Fitting male JIC 7/8"-14 / 1/2" NPT male	-	350	In stock	Enquiry
HJ-GE-14-NT-12	Fitting male JIC 7/8"-14 / 3/4" NPT male	-	350	In stock	Enquiry
HJ-GE-17-NT-08	Fitting male JIC 1.1/16"-12 / 1/2" NPT male	-	350	In stock	Enquiry
HJ-GE-17-NT-12	Fitting male JIC 1.1/16"-12 / 3/4" NPT male	-	350	In stock	Enquiry
HJ-GE-17-NT-16	Fitting male JIC 1.1/16"-12 / 1" NPT male	-	290	In stock	Enquiry
HJ-GE-21-NT-12	Fitting male JIC 1.5/16"-12 / 3/4" NPT male	-	290	In stock	Enquiry
HJ-GE-21-NT-16	Fitting male JIC 1.5/16"-12 / 1" NPT male	-	290	In stock	Enquiry
HJ-GE-26-NT-16	Fitting male JIC 1.5/8"-12 / 1" NPT male	-	240	In stock	Enquiry
HJ-GE-26-NT-20	Fitting male JIC 1.5/8"-12 / 1.1/4" NPT male	-	240	In stock	Enquiry
HJ-GE-30-NT-20	Fitting male JIC 1.7/8"-12 / 1.1/4" NPT male	-	240	In stock	Enquiry
HJ-GE-30-NT-24	Fitting male JIC 1.7/8"-12 / 1.1/2" NPT male	-	240	In stock	Enquiry