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NSI Industries 1061-RT - Mighty-Seal 3/4" to 1/2" Raintight Reducing Washers. Product contains one coated and one uncoated galvanized steel reducing washer. Maintains Raceway Integrity. Sunlight Resistant. Suitable for use in Wet Locations.

NSI Industries 1061-RT Mighty-Seal 3/4" to 1/2" Raintight Reducing Washers. Product contains one coated and one…

UPC: 781747140616


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Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The NSI Industries Mighty-Seal 1061-RT Raintight Reducing Washer is a precision-engineered solution for transitioning between 3/4" and 1/2" conduit sizes while maintaining raceway integrity in demanding environments. This galvanized steel washer set includes one coated and one uncoated washer, providing dual-layer protection against moisture ingress and corrosion. Designed for outdoor and exposed electrical installations, the 1061-RT ensures a secure, weather-tight seal that meets NEMA 3R requirements for wet locations and sunlight resistance. The reducing washer eliminates common installation issues caused by mismatched knockout sizes, offering a reliable solution for electricians and contractors working on residential, commercial, or industrial projects. Constructed from durable galvanized steel, this product delivers long-term performance in harsh conditions where moisture resistance and structural integrity are critical. The coated washer features a protective finish to enhance corrosion resistance, while the uncoated washer provides a solid base for secure conduit attachment. The Mighty-Seal series from NSI Industries represents a trusted choice for professionals requiring dependable electrical components that meet stringent safety and performance standards. Suitable for use in both indoor and outdoor applications, the 1061-RT is ideal for environments exposed to rain, humidity, or direct sunlight. Its raintight design prevents water infiltration, reducing the risk of electrical faults and extending the lifespan of the installation. The washer’s reducing function simplifies transitions between different conduit sizes, ensuring a tight fit without compromising the integrity of the raceway.
  • Transitions between 3/4" and 1/2" conduit sizes
  • Includes one coated and one uncoated galvanized steel washer for dual protection
  • Maintains NEMA 3R rating for wet locations and sunlight resistance
  • Ensures raceway integrity in outdoor and exposed electrical installations
  • NEMA 3R rated and UL Listed for safety and compliance

Specifications

Application
For maintaining wet locations seal on rated enclosures. Coated Washer installs on outside of 3R rated enclosure. Uncoated washer should be installed inside to maintain raceway continuity. Center reducing washers in middle of knock-out. Listed for use with Wet Location Connectors, or Threaded Rigid Conduit (amp, IMC) with standard locknuts. Patented
Color
Green, Silver
Finish
Ball burnish
Material
Galvanized Steel
Material
Galvanized Steel/Rubber
NEMA Rating
Type 3R
Series
Mighty-Seal
Size
3/4" to 1/2"
Special Features
Sun Resistant
Standard
cULus
Type
Raintight Reducing Washer
Package Dimensions (L x W x H)
7 IN x 5 IN x 0.01 IN
Package Dimensions (L x W x H)
17.78 cm x 12.7 cm x 0.254 mm
Package Weight (Imperial)
0.018 L
Package Weight (Metric)
0.008 kg
Mighty-Seal® 1-1/4" to 1" Raintight Reducing Washers. Product contains one coated and one uncoated galvanized steel reducing washer. Maintains Raceway Integrity. Sunlight Resistant. Suitable for use in Wet Locations.

1066-RT

Mighty-Seal® 1-1/4" to 1" Raintight Reducing Washers. Product contains one coated and one uncoated galvanized steel reducing washer. Maintains Raceway Integrity. Sunlight Resistant. Suitable for use in Wet Locations.
2-1/2 Inch to 1-1/2 Inch, Reducing Washer, Steel-Zinc Plated, For Use with Rigid/IMC Conduit

WA 175

2-1/2 Inch to 1-1/2 Inch, Reducing Washer, Steel-Zinc Plated, For Use with Rigid/IMC Conduit
Mighty-Seal® 1-1/4" to 1/2" Raintight Reducing Washers. Product contains one coated and one uncoated galvanized steel reducing washer. Maintains Raceway Integrity. Sunlight Resistant. Suitable for use in Wet Locations.

1064-RT

Mighty-Seal® 1-1/4" to 1/2" Raintight Reducing Washers. Product contains one coated and one uncoated galvanized steel reducing washer. Maintains Raceway Integrity. Sunlight Resistant. Suitable for use in Wet Locations.
Mighty-Seal®2" to 3/4" Raintight Reducing Washers. Product contains one coated and one uncoated galvanized steel reducing washer. Maintains Raceway Integrity. Sunlight Resistant. Suitable for use in Wet Locations.

1072-RT

Mighty-Seal®2" to 3/4" Raintight Reducing Washers. Product contains one coated and one uncoated galvanized steel reducing washer. Maintains Raceway Integrity. Sunlight Resistant. Suitable for use in Wet Locations.
Mighty-Seal® 2" to 1" Raintight Reducing Washers. Product contains one coated and one uncoated galvanized steel reducing washer. Maintains Raceway Integrity. Sunlight Resistant. Suitable for use in Wet Locations.

1073-RT

Mighty-Seal® 2" to 1" Raintight Reducing Washers. Product contains one coated and one uncoated galvanized steel reducing washer. Maintains Raceway Integrity. Sunlight Resistant. Suitable for use in Wet Locations.
1 Inch to 3/4 Inch, Reducing Washer, Steel-Zinc Plated, For Use with Rigid/IMC Conduit, Quantity 2

WA132-2

1 Inch to 3/4 Inch, Reducing Washer, Steel-Zinc Plated, For Use with Rigid/IMC Conduit, Quantity 2
3/4 Inch to 1/2 Inch Reducing Washer, Steel, 250 Pieces

CI6-R-4

3/4 Inch to 1/2 Inch Reducing Washer, Steel, 250 Pieces
1-1/4 Inch to 1/2 Inch Reducing Washer, Steel, Zinc Plated, For Use with Rigid/IMC Conduit, CSA Certified, Not RoHS Compliant

CI10-R-4

1-1/4 Inch to 1/2 Inch Reducing Washer, Steel, Zinc Plated, For Use with Rigid/IMC Conduit, CSA Certified, Not RoHS Compliant

Frequently Asked Questions

Is the product suitable for wet locations?

Yes, the product is suitable for use in wet locations.

What materials are used in the product?

The product is made of galvanized steel with an EPDM rubber coating.

What materials are used in the product?

The product is made of galvanized steel with an EPDM rubber coating.

Is the product suitable for wet locations?

Yes, the product is suitable for use in wet locations.

What certifications does the product have?

The product is certified under UL514B and meets NEMA Standard FB-1.

What is the trade size of the washers?

The trade size of the washers is 3/4" to 1/2".

What is the product's application?

The product is used for maintaining wet location seals on rated enclosures.

What is the product's application?

The product is used for maintaining wet location seals on rated enclosures.

What certifications does the product have?

The product is certified under UL514B and meets NEMA Standard FB-1.

What is the trade size of the washers?

The trade size of the washers is 3/4" to 1/2".

How to Install the Mighty-Seal™ Sealing Reducing Washer

This guide provides step-by-step instructions for installing the Mighty-Seal™ Sealing Reducing Washer to ensure a wet-location seal in electrical enclosures.

Estimated time: 30m

Tools needed:

Channel lock pliers, Locknut wrench

Supplies needed:

Mighty-Seal™ Sealing Reducing Washer, Traditional reducing washer, Conduit locknut

  1. Determine the trade size

    Identify the proper trade size of the Mighty-Seal™ Sealing Reducing Washer needed for your installation.

  2. Install the washer on the fitting

    Place the Mighty-Seal™ Sealing Reducing Washer onto the fitting, ensuring it is positioned correctly with the unmolded portion facing inward.

  3. Insert the fitting through the enclosure

    Insert the fitting through the enclosure, ensuring both the Mighty-Seal™ Sealing Reducing Washer and the traditional reducing washer are centered in the knockout opening.

  4. Secure the fitting

    Tighten the locknut hand tight, plus two additional full turns using channel lock pliers or a locknut wrench to ensure a secure connection. Avoid using a hammer and screwdriver to prevent misalignment.

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