Authorized NSI Industries Distributor
NSI Industries 251-SRT - Raintight Connector, Compression, Steel, Size 3/4 Inch

NSI Industries 251-SRT Raintight Connector, Compression, Steel, Size 3/4 Inch

UPC: 781747202512


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Contact for Pricing

Minimum Qty: 25

Multiplier: 25

*Contact for lower quantities*

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

Overview

The NSI Industries 251-SRT is a 3/4" steel raintight compression connector designed for reliable EMT-to-box or enclosure connections in wet or damp environments. Constructed from durable steel with a zinc electro-plate finish, this connector meets Federal Specification A-A-50553 and complies with NEMA FB-1 and UL-514B standards. Its insulated throat rated at 105°C ensures thermal stability, while the compression design with internal sealing ring and knockout gasket prevents moisture ingress, making it ideal for concrete-tight and raintight applications. With dimensions of 1-13/32" (A), 1-27/32" (B), and 1-5/16" (C), it integrates seamlessly with standard 3/4" EMT conduit systems. Packaged in quantities of 25 per unit and 250 per standard package, this connector is a critical component for maintaining operational continuity in outdoor or humid installations. Trust NSI Industries for dependable electrical solutions in challenging conditions.
  • 3/4" trade size for standard EMT conduit systems
  • Steel construction with zinc electro-plate finish for corrosion resistance
  • Insulated throat rated at 105°C for thermal stability
  • Compression design with internal sealing ring and knockout gasket for raintight performance
  • Meets Federal Specification A-A-50553, NEMA FB-1, and UL-514B standards

Specifications

Application
Used to join EMT to box or enclosure. Concrete tight/Raintight.
Connection Type
Compression
Connector Type
Compression
Finish
Zinc Electroplated
Insulation
False
Ip Rating
IP66/IP67
Material
Steel
Material Quality
Steel
Size
3/4 IN
Special Features
Connectors assembled with knockout gasket, no separate pieces to buy and stock
Standard
cULus
Trade Size
3/4 in.
Type
Connector
Package Weight (Imperial)
0.141 L
Package Weight (Metric)
0.064 kg
Compression Connector, Raintight and Insulated, Conduit Size 1-1/2 Inch, Material Zinc Plated Steel, For use with EMT Conduit

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Compression Connector, Raintight and Insulated, Conduit Size 1-1/2 Inch, Material Zinc Plated Steel, For use with EMT Conduit
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253-SRT

Raintight Connector, Compression, Steel, Size 1 1/4 Inch
Raintight Connector, Compression, Steel, Size 2 Inch

255-SRT

Raintight Connector, Compression, Steel, Size 2 Inch
Connector, Compression, Steel, Insulated Throat - 105 Degree C, size 3"

257-SRTI

Connector, Compression, Steel, Insulated Throat - 105 Degree C, size 3"
Connector, Compression, Steel, Insulated Throat - 105 Degree C, size 3 1/2"

258-SRTI

Connector, Compression, Steel, Insulated Throat - 105 Degree C, size 3 1/2"
Raintight Connector, compression, steel, size 2 1/2 inch

256-SRT

Raintight Connector, compression, steel, size 2 1/2 inch
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256-SRTI

Connector, Compression, Steel, Insulated Throat - 105 Degree C, size 2 1/2"

Frequently Asked Questions

What is the trade size of the 251-SRT connector?

The trade size of the connector is 3/4 inch.

Is the 251-SRT connector raintight?

Yes, the 251-SRT connector is raintight and concrete tight.

What is the catalog ID for the 251-SRT connector?

The catalog ID for the connector is 251-SRT.

What is the material of the 251-SRT connector?

The 251-SRT connector is made of steel.

What are the dimensions of the 251-SRT connector?

The dimensions are A: 1-13/32, B: 1-27/32, C: 1-5/16 inches.

How many connectors are in a standard package?

A standard package contains 250 connectors.

What is the UPC number for the 251-SRT connector?

The UPC number for the connector is 781747202512.

What is the finish of the 251-SRT connector?

The connector has a zinc electro-plate finish.

What certifications does the 251-SRT connector have?

It is certified under Federal Specification A-A-50553 and UL Standard UL-514B.

What is the standard quantity per unit for the 251-SRT connector?

The unit quantity for the connector is 25.

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