NSi Industries 1090-4 - Washer, Reducing, Galvanized Steel, Size 4 Inch - 1 1/4 Inch
NSI Industries

1090-4

UPC: 781747109040

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Overview

The NSi Industries 1090-4 Reducing Washer is a precision-engineered galvanized steel component designed for industrial applications requiring a secure connection between components of different sizes. This washer features a 4-inch outer diameter and a 1 1/4-inch inner diameter, providing a reliable transition between larger and smaller mounting surfaces. Constructed from galvanized steel, it offers superior corrosion resistance, ensuring long-term durability in outdoor, marine, and high-moisture environments. The reducing washer is ideal for construction, manufacturing, and mechanical assemblies where precise fit and load distribution are critical. Compatible with standard fasteners, it simplifies installation while maintaining structural integrity. NSi Industries, a trusted name in industrial fasteners, delivers components built to meet the demands of heavy-duty operations. The 1090-4 is part of a comprehensive line of reducing washers, offering versatility for a wide range of industrial projects.
  • 4-inch outer diameter, 1.25-inch inner diameter for reducing connections
  • Galvanized steel construction for corrosion resistance in harsh environments
  • Precision-engineered fit for reliable load distribution
  • Compatible with standard fasteners for easy installation
  • Ideal for construction, manufacturing, and mechanical assemblies

Specifications

Application
Galvanized steel reducing washers used in pairs to reduce size of knockout holes in box or enclosure.
Inside Diameter
1-3/4 in
Material
Steel
Outside Diameter
5.5 in
Size
4 - 1 1/4 in
Standard
CSA, UL
Type
Reducing Washer
Package Weight (Imperial)
0.370 L
Package Weight (Metric)
0.168 kg

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Frequently Asked Questions about NSi Industries

What technical support does NSi Industries offer?

NSi Industries offers dedicated technical support through their toll-free technical support line at 888.500.4598. They are committed to customer satisfaction and promise to make every reasonable effort to remedy any product or service issues. Additionally, customers can contact their customer service team at 800.321.5847 or email [email protected] for further technical assistance.

What are the key features of NSi Industries products?

NSi Industries products feature exceptional versatility, reliability, and safety across multiple industrial automation categories. Key features include insulation piercing connectors with no wire stripping required, watertight and corrosion-free designs, wide wire range compatibility (from #14 AWG to 750 MCM), and the ability to install on energized conductors. Their product lines like Easy-Tap™ Connectors and TORK® Digital Timers demonstrate advanced capabilities such as turbo spacers, double shear-head bolts, astronomic scheduling, and enhanced switching technologies.

What environmental ratings do NSi Industries products have?

NSi Industries enclosures feature robust environmental ratings, including IEC 60529 IP66 certification, NEMA Type 1, 2, 3, 4, 4X, 12, and 13 ratings, and UL/CSA standards. Their products are designed for both indoor and outdoor applications, with protection against dust, water, corrosion, and extreme temperatures ranging from -40°F to 266°F.

How are NSi Industries products typically installed?

NSi Industries products are typically installed using detailed mechanical and digital wiring diagrams that specify precise connection methods for various voltage configurations (120V, 208V, 240V, 277V, 480V). Installation involves carefully following product-specific wiring schematics, which include clear terminal block connections, ground wire specifications, and phase alignment requirements. Professional electricians and technicians should reference the specific product's wiring diagram to ensure correct installation and electrical compliance.

What industries and applications are NSi Industries products used for?

NSi Industries provides electrical and automation products for diverse industrial applications, including lighting control, electrical enclosures, wire management, connectors, and sensor technologies. Their product lines serve commercial, industrial, and infrastructure markets with solutions for electrical infrastructure, control systems, and safety-critical environments.

What are the main product lines offered by NSi Industries?

NSi Industries offers a comprehensive range of industrial products including TORK® Photocontrols, Polaris™ Lighting Controls, Easy-Twist™ Grounding Solutions, Miniterms, Cable Ties, Connectors, Enclosures, Occupancy Sensors, and Wire Management systems. Their product lines span electrical components, control devices, and industrial automation accessories designed for diverse applications in commercial and industrial settings.

What accessories are available for NSi Industries products?

NSi Industries offers a range of accessories for their product lines, including photocontrol accessories like replacement caps, mounting brackets, and receptacles. Specific accessories include shorting caps, open caps, 3-pin and 7-pin receptacles, and utility mounting brackets for conduit photocontrols. For specialized applications, NSi recommends contacting their customer service team to discuss custom accessory needs.