Eaton Crouse-Hinds NPL75400 316SS Conduit Nipple - NEC/CEC
Part Number: NPL75400 316SS
Quick Summary
NPL75400 316SS conduit nipple provides a durable stainless steel connection for rigid/IMC conduit in industrial wiring. This solves common issues with corrosion, misalignment, and maintenance in harsh environments. The design is NEC/CEC compliant and UL-listed for US and Canada, with Ordinary/Non-Hazardous area classification. By pairing 316 stainless steel with a precise 3/4" x 4" form factor, it delivers reliable performance and long-term cost savings, while ensuring compatibility with other Crouse-Hinds stainless steel conduit components.
Product Information
Extended Description
NPL75400 316SS Eaton Crouse-Hinds: Eaton Crouse-Hinds series NPL conduit nipple, Rigid/IMC, 316 stainless steel, 3/4" x 4"
Product Name
Eaton Crouse-Hinds series NPL conduit nipple
Catalog Number
NPL75400 316SS
UPC
662277030120
Product Weight
0.302 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Conduit type
Rigid/IMC
Size and length
3/4" x 4"
Material
316 stainless steel
Crouse-Hinds stainless steel conduit, cable and wire management brochure
Crouse-Hinds series Locknuts, Nipples, Washers, Reducers and Plugs - Rigid-IMC catalog page
Locknuts, Nipples, Washers, Reducers and Plugs - Rigid-IMC UL certification
Locknuts, Nipples, Washers, Reducers and Plugs - Rigid-IMC UL certification
Eaton Specification Sheet - NPL75400 316SS
Material and corrosion resistance drive lifetime value in demanding environments. Feature: 316 stainless steel construction → Business Impact: exceptional corrosion resistance in chemical, coastal, and washdown settings → Application: offshore platforms, food and beverage, and chemical processing facilities. Feature: 3/4 inch diameter and 4 inch length → Business Impact: standard, easy integration with existing rigid/IMC runs and locknuts → Application: quick field assembly on industrial wiring projects. Feature: NEC/CEC compliance and UL listings → Business Impact: simplified regulatory approvals and safer installations → Application: projects requiring recognized safety certifications and cross-border deployment. Feature: Ordinary/Non-Hazardous area classification → Business Impact: broadened applicability without special enclosure needs → Application: general electrical installations in commercial and light manufacturing. Feature: Compatibility with Crouse-Hinds conduit accessories → Business Impact: streamlined procurement, reduced part variance, faster maintenance → Application: cohesive stainless steel systems with reliable performance. Feature: Cost-benefit in longevity → Business Impact: reduced replacement and maintenance costs over time → Application: plant upgrades and retrofits where corrosion risk is high. Feature: Industry-aware design insights → Business Impact: predictable torque, fitment, and faster install times → Application: impatient project timelines and high-mix, low-volume runs.
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FAQs
NPL75400 316SS is designed for standard 3/4 inch rigid/IMC conduit runs. It integrates with Crouse-Hinds stainless steel locknuts, washers, and reducers, enabling a straightforward field assembly. The 4 inch length provides a practical extension in tight spaces while maintaining a secure, code-compliant connection that simplifies maintenance and future upgrades.
316 stainless steel offers superior corrosion resistance in harsh environments, including chemical exposure and coastal moisture. For conduit nipples, this translates to longer service life, reduced maintenance, and lower replacement costs compared with carbon-steel alternatives, making it ideal for demanding industrial facilities and outdoor installations.
Yes. The product is classified for Ordinary/Non-Hazardous Locations, aligning with typical commercial and light manufacturing setups. This makes it a practical choice for general electrical infrastructure where extreme hazards aren’t present, while still delivering the corrosion resistance and mechanical performance of 316 stainless steel.
The nipple is NEC/CEC compliant and UL-listed for both US and Canada, ensuring regulatory alignment and cross-border usability. These certifications support safe installation, supplier credibility, and smoother project approvals in multi-site operations.
Although the upfront cost is higher than carbon-steel options, the 316SS nipple offers superior corrosion resistance and reduced maintenance. This translates to lower downtime, fewer replacements, and extended service life in aggressive environments, delivering a favorable return on investment over the system’s lifetime.