Eaton Crouse-Hinds NPL50400 316SS conduit nipple - 316SS
Part Number: NPL50400 316SS
Quick Summary
The Eaton Crouse-Hinds NPL50400 316SS conduit nipple enables robust, corrosion-resistant rigid/IMC connections for 1/2" conduit in demanding industrial environments. This part addresses installation challenges such as corrosion-prone fittings and misalignment, delivering a precise, stainless steel solution that reduces downtime. It carries NEC/CEC compliance and UL certification, with an ordinary/non-hazardous area classification for safe use in general facilities. By selecting 316 stainless steel and a compact 1/2" x 4" form, engineers gain long service life, predictable performance, and lower maintenance in washdown or high-moisture settings while maintaining compatibility with standard conduit fittings for streamlined installation.
Product Information
Extended Description
NPL50400 316SS Eaton Crouse-Hinds: Eaton Crouse-Hinds series NPL conduit nipple, Rigid/IMC, 316 stainless steel, 1/2" x 4"
Product Name
Eaton Crouse-Hinds series NPL conduit nipple
Catalog Number
NPL50400 316SS
UPC
662277029926
Product Weight
0.244 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Conduit type
Rigid/IMC
Size and length
1/2" 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 - NPL50400 316SS
Feature → Business Impact → Application: The NPL50400 316SS uses 316 stainless steel to resist corrosion in challenging environments, reducing maintenance costs and extending service life in washdown areas. This translates to lower replacement_frequency and higher equipment uptime in automated facilities. Feature → Compatibility → Application: Rigid/IMC conduit compatibility ensures reliable, code-compliant connections with standard fittings, speeding up installation and reducing field rework on projects. Feature → Certification → Application: NEC/CEC compliance combined with UL certification gives procurement teams confidence in regulatory conformance and safety across North American installations, decreasing compliance risk. Feature → Size and Length → Application: 1/2" x 4" provides a compact, easy-to-fit nipple for tight spaces and standard enclosure configurations, improving panel density and wiring efficiency. Feature → Material Properties → Application: 316 stainless steel delivers superior corrosion resistance in humid or corrosive environments, supporting longer lifecycle in marine, chemical, or washdown settings. Feature → Practical Insight → Application: Precise machining and standard thread compatibility minimize installation variance, reducing labor time and aligning with lean manufacturing practices.
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FAQs
Installation requires aligning the nipple with the rigid/IMC conduit and threading it into compatible locknuts or fittings. Ensure the conduit is clean and free of burrs, tighten to torque specifications, and verify alignment with the enclosure knockout. The 1/2" x 4" length is designed for standard indoor applications, minimizing space constraints while maintaining a secure, code-compliant connection.
The NPL50400 is made from 316 stainless steel, offering excellent corrosion resistance in humid, washdown, and marine environments. Its stainless construction helps prevent rust and pitting, extending service life in demanding industrial settings and reducing maintenance intervals compared to lower-grade fittings.
Yes. The product is rated for Ordinary/Non-Hazardous Locations per area classification, aligning with NEC/CEC standards. It is appropriate for general factory floors, control panels, and indoor installations where exposure to moisture is present but explosion-protected environments are not required.
This conduit nipple carries NEC/CEC standard compliance and UL certification for rigid-IMC fittings, providing regulatory assurance and safe operation within North American electrical codes. These certifications help with procurement, audit readiness, and risk management in capital projects.
The 316SS construction reduces corrosion-related degradation, lowering replacement frequency and maintenance costs. Its compatibility with standard fittings and precise machining minimizes installation labor and potential leaks, contributing to higher uptime and improved total cost of ownership in automated manufacturing lines.