NSI Industries 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.
NSI Industries

1073-RT

UPC: 781747140739


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Overview

NSi Industries Mighty-Seal® 2" to 1" Raintight Reducing Washers (SKU: 1073-RT) are precision-engineered galvanized steel washers designed to maintain raceway integrity in wet and outdoor environments. Each package includes one coated and one uncoated galvanized steel washer, providing a reliable transition between 2-inch and 1-inch conduit sizes. These washers are sunlight-resistant and maintain a NEMA 3R rating, ensuring protection against rain, sleet, and external condensation while preserving electrical system integrity. Key specifications include galvanized steel construction for superior corrosion resistance, a reducing design for seamless conduit size transitions, and compliance with UL listing standards. The NEMA 3R rating confirms suitability for wet locations, making these washers ideal for outdoor electrical installations, industrial facilities, and construction projects where environmental exposure is a concern. The coated washer provides additional moisture resistance, while the uncoated washer ensures a secure mechanical fit. Applications include commercial buildings, manufacturing plants, utility installations, and any environment requiring reliable conduit sealing and size reduction. The washers are compatible with standard galvanized steel conduit systems and meet industry requirements for mechanical integrity and environmental protection. NSi Industries’ Mighty-Seal® line is trusted for its durability and performance in demanding conditions.
  • Maintains NEMA 3R rating for wet location suitability
  • Sunlight-resistant and UL listed for outdoor use
  • Includes one coated and one uncoated galvanized steel washer
  • Ensures raceway integrity with precise size reduction
  • Galvanized steel construction for corrosion resistance

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/Rubber
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)
0.173 L
Package Weight (Metric)
0.078 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.
Mighty-Seal 1-1/4" 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.

1065-RT

Mighty-Seal 1-1/4" 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 1-1/4" 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.

1074-RT

Mighty-Seal® 2" to 1-1/4" 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 1/2" 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.

1071-RT

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

1063-RT

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

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.
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 1" 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.

1062-RT

Mighty-Seal 1" 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.
Washer, Reducing, Galvanized Steel, Size 4 Inch - 1-1/2 Inch

1090-5

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

1089-2

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

1089-7

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

Frequently Asked Questions

What is the trade size of the 1073-RT?

The trade size of the 1073-RT is 2 inches to 1 inch.

Where is the 1073-RT manufactured?

The 1073-RT is manufactured in the USA.

What materials are used in the 1073-RT?

The 1073-RT is made of galvanized steel with an EPDM rubber coating.

Is the 1073-RT suitable for wet locations?

Yes, the 1073-RT is suitable for use in wet locations.

What is the purpose of the coated washer?

The coated washer is installed on the outside of a 3R rated enclosure to maintain a wet location seal.

What certifications does the 1073-RT have?

The 1073-RT is certified under UL514B and meets NEMA Standard FB-1.

How should the uncoated washer be installed?

The uncoated washer should be installed inside to maintain raceway continuity.

How many washers are included in a standard package?

A standard package contains 100 units of the 1073-RT.

What is the installation requirement for the washers?

Center the reducing washers in the middle of the knock-out during installation.

What is the UPC number for the 1073-RT?

The UPC number for the 1073-RT is 78174714073.

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