NSI Industries 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.
NSI Industries

1064-RT

UPC: 781747140647


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Overview

The NSI Industries Mighty-Seal® 1064-RT Raintight Reducing Washers provide a reliable, code-compliant solution for transitioning between raceway sizes in wet or outdoor environments. Each kit includes one coated and one uncoated galvanized steel washer, ensuring compatibility with standard 1-1/4" and 1/2" conduit sizes. The NEMA 3R-rated design maintains raceway integrity while resisting sunlight degradation and moisture ingress, making it ideal for outdoor electrical installations, HVAC systems, and industrial applications where environmental protection is critical. Engineered for durability, these washers feature a corrosion-resistant galvanized finish that extends service life in challenging conditions. The reducing design eliminates the need for oversized knockouts or mismatched fittings, reducing installation time and preventing costly errors. UL-listed for safety and compliance, the 1064-RT washers are suitable for use in wet locations as defined by NEC Article 314.15. The red coating provides high visibility during installation, while the NEMA 3R rating ensures protection against rain, sleet, and external ice formation. Common applications include: - Outdoor electrical enclosures and junction boxes - HVAC and refrigeration systems exposed to weather - Industrial machinery with conduit transitions - Agricultural and irrigation installations - Telecommunications and data center infrastructure The 1064-RT washers are part of NSI Industries' Mighty-Seal® series, a trusted line of raintight fittings designed to simplify installations while meeting strict regulatory requirements. With a UNSPSC code of 31161809, these washers are categorized as reducing washers for electrical raceway systems, ensuring compatibility with standard industry components.
  • NEMA 3R-rated for wet and outdoor locations
  • Includes one coated and one uncoated galvanized steel washer
  • Maintains raceway integrity in electrical installations
  • Sunlight-resistant red coating for high visibility
  • UL-listed for safety and code 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/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)
0.067 L
Package Weight (Metric)
0.030 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® 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.
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" 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

Is the 1064-RT suitable for wet locations?

Yes, the 1064-RT is suitable for use in wet locations.

What materials are used in the 1064-RT?

The 1064-RT is made of galvanized steel with an EPDM rubber coating.

What certifications does the 1064-RT have?

The 1064-RT is certified under UL514B and meets NEMA Standard FB-1.

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.

How should the uncoated washer be installed?

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

Where is the 1064-RT manufactured?

The 1064-RT is manufactured in the USA.

What is the function of the reducing washers?

The reducing washers maintain raceway integrity and are used with wet location connectors.

What is the trade size of the 1064-RT?

The trade size of the 1064-RT is 1-1/4" to 1/2".

How many washers are included in a standard package?

A standard package contains 200 units of the 1064-RT.

What is the UPC number for the 1064-RT?

The UPC number for the 1064-RT is 78174714064.

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