Authorized NSI Industries Distributor
NSI Industries 163-GI - Locknut, Grounding, Insulated, Zinc Die Cast, Size 1 Inch, 14-4 Lug
NSI Industries

163-GI

UPC: 781747911636


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Minimum Qty: 10

Multiplier: 10

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Overview

The NSi Industries 163-GI Insulated Grounding Locknut, SKU 163-GI, is a zinc die-cast locknut designed for secure electrical grounding in industrial and commercial applications. This 1-inch locknut features a 14-4 lug design, ensuring compatibility with standard 1-inch conduit systems and electrical panels. The insulated construction provides protection against electrical hazards while the serrated design delivers superior grip and vibration resistance, preventing loosening in demanding environments. Manufactured from durable zinc die cast, the 163-GI offers excellent corrosion resistance and long-lasting mechanical strength. Ideal for power distribution systems, critical infrastructure, and electrical installations requiring reliable grounding. Meets stringent electrical installation standards for consistent performance. Made in the USA.
  • Zinc die-cast construction for durability and corrosion resistance
  • Insulated design enhances safety against electrical hazards
  • Serrated grip prevents loosening from vibration
  • Compatible with 1-inch conduit systems and 14-4 lug connections
  • Manufactured in the USA for reliable quality

Specifications

Application
Bridgeport's new, patented, versatile insulated bonding & grounding locknuts are Listed for use with all of Bridgeport Fittings' EMT and Rigid conduit connectors, as well as threaded Rigid/IMC conduit. Bridgeport's bonding and grounding locknuts provide a secure insulated connection to the enclosure, and 3-tapped mounting pads allow for lug mounting options for tight spaces.
Cable Entry
Through the fitting or conduit that the locknut is attached to
Color
Green/Gray
Color
Gray;Green
Connection Type
14-4 Lug
Finish
Ball burnish
Material
Zinc Die Cast
Material
Zinc Die Cast, Tin Plated Aluminum
Mounting
3-tapped mounting pads allow for lug mounting options for tight spaces.
Size
1 IN
Special Features
Bridgeport's insulated bonding and grounding locknuts are solving problems when connector or conduit thread lengths are taken up by thick metal or non-metallic enclosure walls. These can be used in place of grounding bushings and locknuts when connectors or conduit threads are too short to accommodate both. Perfect for tight, confined spaces inside or outside of equipment.
Standard
Listed ETL conforms to UL STD 514B Certified to CAN/CSA STD. C22.2 no. 18.3
Trade Size
1 in
Type
Bonding and Grounding
Package Weight (Imperial)
0.159 L
Package Weight (Metric)
0.072 kg
Locknut, Grounding, Insulated, Zinc Die Cast, Size 3/4 Inch, 14-4 Lug

162-GI

Locknut, Grounding, Insulated, Zinc Die Cast, Size 3/4 Inch, 14-4 Lug
PVC Coated Zinc Grounded Hub with Thermoplastic Insulated Throat, Pipe Size 3 Inch/78 Metric, Overall Diameter 4.38 Inch/111.25 Millimeters, Maximum Panel Thickness 0.25 Inch/6.35 Millimeters, Throat Diameter 2.97 Inch/75.44 Millimeters, Nitrile Rubber (Buna-N) Sealing Ring, Dark Gray

STG8-G

PVC Coated Zinc Grounded Hub with Thermoplastic Insulated Throat, Pipe Size 3 Inch/78 Metric, Overall Diameter 4.38 Inch/111.25 Millimeters, Maximum Panel Thickness 0.25 Inch/6.35 Millimeters, Throat Diameter 2.97 Inch/75.44 Millimeters, Nitrile Rubber (Buna-N) Sealing Ring, Dark Gray
Pipe roller for 9 to 10 inch pipe. The sheet identifies it as catalog number PR9010EG. No material, finish, or dimensional attributes are printed on the sheet.

PR9010EG

Pipe roller for 9 to 10 inch pipe. The sheet identifies it as catalog number PR9010EG. No material, finish, or dimensional attributes are printed on the sheet.
Connector, Adjustable Endstop, MC Feeder Cable, Two Screw, Steel, 1 Inch

683-UI

Connector, Adjustable Endstop, MC Feeder Cable, Two Screw, Steel, 1 Inch
Connector, Adjustable Endstop, MC Feeder Cable, Two Screw, Steel, 1-1/4 Inch

684-UI

Connector, Adjustable Endstop, MC Feeder Cable, Two Screw, Steel, 1-1/4 Inch
Connector, Adjustable Endstop, MC Feeder Cable, Two Screw, Steel, 1-1/2 Inch

685-UI

Connector, Adjustable Endstop, MC Feeder Cable, Two Screw, Steel, 1-1/2 Inch
1/2" Raintight Threadless Rigid Compression Connectors

3000-RT

1/2" Raintight Threadless Rigid Compression Connectors
1-1/4" Raintight Threadless Rigid Compression Connectors

3003-RT

1-1/4" Raintight Threadless Rigid Compression Connectors

Frequently Asked Questions

What is the trade size of the 163-GI locknut?

The trade size of the 163-GI locknut is 1 inch.

What are the dimensions of the 163-GI locknut?

The dimensions are A: 1.90, B: 0.970, and C: 0.640 inches.

What materials are used in the 163-GI locknut?

The 163-GI locknut is made from zinc die cast and tin plated aluminum.

What certifications does the 163-GI locknut have?

The 163-GI locknut is UL Listed and conforms to UL STD 514B and CAN/CSA STD. C22.2 No. 18.3.

Can the 163-GI locknut be used with EMT and Rigid conduit?

Yes, the 163-GI locknut is listed for use with all of Bridgeport Fittings’ EMT and Rigid conduit.

How many units are in a standard package?

A standard package contains 50 units of the 163-GI locknut.

What is the finish of the 163-GI locknut?

The finish of the 163-GI locknut is ball burnished and mirror smooth.

What is the unit quantity for the 163-GI locknut?

The unit quantity for the 163-GI locknut is 10.

What is the purpose of the 163-GI locknut?

The 163-GI locknut provides a secure insulated connection to the enclosure and can be used in place of grounding bushings.

How does the 163-GI locknut solve installation issues?

It solves problems when connector or conduit thread lengths are taken up by thick metal or when threads are too short.

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