NSI Industries 1090-1 - Washer, Reducing, Galvanized Steel, Size 4 Inch - 1/2 Inch
NSI Industries

1090-1

UPC: 781747109019

Contact for Pricing

Overview

The NSi Industries 1090-1 Reducing Washer is a precision-engineered galvanized steel component designed to bridge connections between components of differing diameters. This washer transitions from a 4-inch outer diameter to a 1/2-inch inner diameter, ensuring a secure fit for bolts or fasteners in applications requiring size adaptation. Constructed from galvanized steel, it provides corrosion resistance and durability in outdoor, industrial, and high-moisture environments. Key specifications include a 4" OD to 1/2" ID configuration, galvanized steel material for rust prevention, and compliance with industrial standards for structural integrity. The washer’s design prevents loosening under vibration, making it ideal for heavy-duty applications in plumbing, construction, and mechanical systems. NSi Industries, a trusted US-based manufacturer, produces this washer to UNSPSC code 31161809, ensuring compatibility with standard industrial hardware. Its robust construction and precise dimensions make it a reliable choice for professionals requiring long-lasting, corrosion-resistant reducing washers.
  • 4-inch outer diameter to 1/2-inch inner diameter transition
  • Galvanized steel construction for corrosion resistance
  • Precision-engineered for secure bolt/fastener connections
  • Ideal for plumbing, construction, and mechanical applications
  • Manufactured in the US by NSi Industries (SKU: 1090-1)

Specifications

Application
Galvanized steel reducing washers used in pairs to reduce size of knockout holes in box or enclosure.
Inside Diameter
7/8 in
Material
Galvanized Steel
Material
Steel
Outside Diameter
5.5 in
Size
4 - 1/2 in
Size
4 Inch - 1/2 Inch
Standard
CSA, UL
Type
Reducing Washer
Package Weight (Imperial)
0.430 L
Package Weight (Metric)
0.195 kg

You May Also Be Interested In

Washer, Reducing, Galvanized Steel, Size 4 Inch - 1 Inch

1090-3

Washer, Reducing, Galvanized Steel, Size 4 Inch - 1 1/4 Inch

1090-4

Washer, Reducing, Galvanized Steel, Size 4 Inch - 3 1/2 Inch

1090-9

Washer, Reducing, Galvanized Steel, Size 4 Inch - 2 Inch

1090-6

Washer, Reducing, Galvanized Steel, Size 4 Inch - 2-1/2 Inch

1090-7

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.