Is the Flat nut for JIC bulkhead fittings in carbon steel, type MP compatible with standard JIC 37Â° male threads and recommended torque values?

Flat nut for JIC bulkhead fittings in carbon steel, type MP Format Yes. The Flat nut for JIC bulkhead fittings in carbon steel, type MP is compatible with standard JIC 37Â° male threads. It is designed to clamp the mating JIC 37Â° male flare seating surface and provide a proper mechanical connection when assembled with the correct mating male and seat. For reliable, leak-free joints, assemble using appropriate washers or flares as specified for JIC 37Â° systems and ensure thread engagement matches standard JIC dimensions. Recommended torque values depend on thread size, material condition (clean/dry or lubricated), and assembly practice. Typical recommended torque ranges for carbon steel JIC 37Â° fittings are approximately: - 1/4" â 1/2" threads: 10â40 Nm (9â35 ftÂ·lb) - 5/8" â 1" threads: 40â150 Nm (35â110 ftÂ·lb) - Larger sizes: consult manufacturer data for exact values Use the lower end for lubricated threads and the higher end for dry threads; always tighten to achieve proper flare seating rather than torque alone. For critical or high-pressure applications, verify exact torque and assembly procedure with the Flat nut for JIC bulkhead fittings in carbon steel, type MP Format manufacturer datasheet or engineering specifications.

Can Flat nut for JIC bulkhead fittings in carbon steel, type MP be used with stainless steel housings without galvanic corrosion concerns?

Flat nut for JIC bulkhead fittings in carbon steel, type MP can be used with stainless steel housings, but galvanic corrosion risk depends on environment and assembly. Carbon steel is anodic to stainless steel, so in presence of an electrolyte (water, humidity, saline or corrosive fluids) galvanic corrosion can occur at the carbon steel flat nut. To minimize risk: use suitable protective coatings or plating on the carbon steel nut (zinc, cadmium, or conversion coatings compatible with application), apply corrosion-inhibiting sealants or dielectric barriers between metals, ensure good drainage and drying in the installation, or select stainless steel version of the flat nut. If the system is dry and confined from electrolytes, risk is low; in wet/corrosive environments choose mitigation or all-stainless components.

Does Flat nut for JIC bulkhead fittings in carbon steel, type MP require special surface treatment for paint adhesion?

Flat nut for JIC bulkhead fittings in carbon steel, type MP Format. does it require special surface treatment for paint adhesion? Yes. Carbon steel parts like Flat nut for JIC bulkhead fittings in carbon steel, type MP Format typically require a suitable surface treatment before painting to ensure proper adhesion, corrosion protection, and durable finish. Untreated carbon steel has mill scale, oils, and micro-oxidation that reduce paint bonding and promote flaking or underfilm corrosion. Recommended steps: - Cleaning/degreasing: remove oils, greases, and machining residues. - Abrasive cleaning or pickling: remove mill scale and rust (e.g., sandblasting, shot blasting, or acid pickling) to provide a clean, profiled surface. - Optional conversion coating: apply a phosphate or passivation layer (e.g., iron phosphate, zinc phosphate) to improve adhesion and corrosion resistance. - Primer: use a compatible corrosion-resistant primer formulated for carbon steel and the chosen topcoat. - Topcoat: apply suitable paint system per environment and performance requirements. For hydraulic fittings where threads and sealing surfaces matter, mask or protect critical sealing faces and threads, or use localized treatments that do not interfere with fit/seal. Follow paint manufacturer and industry standards (ISO, ASTM, or OEM specs) for surface preparation and coating system.

Flat nut for JIC bulkhead fittings in carbon steel, type MP

Additional information

Flat nut for JIC37° bulkhead fittings. Material: carbon steel.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HJ-MP-07	JIC nut 7/16"-20	-	-	In stock	Enquiry
HJ-MP-08	JIC nut 1/2"-20	-	-	In stock	Enquiry
HJ-MP-09	JIC nut 9/16"-18	-	-	In stock	Enquiry
HJ-MP-12	JIC nut 3/4"-16	-	-	In stock	Enquiry
HJ-MP-14	JIC nut 7/8"-14	-	-	In stock	Enquiry
HJ-MP-17	JIC nut 1.1/16"-12	-	-	In stock	Enquiry
HJ-MP-21	JIC nut 1.5/16"-12	-	-	In stock	Enquiry
HJ-MP-26	JIC nut 1.5/8"-12	-	-	In stock	Enquiry
HJ-MP-30	JIC nut 1.7/8"-12	-	-	In stock	Enquiry