Please Wait

An update to our customers regarding COVID-19. CLICK HERE

Call 1-855-267-1160 Careers What's New Feedback

Contact Us Ask a Pro

My account Sign in / Register

Sign in / Register

Please fix the following errors:

Keep Me Logged In

Please fix the following errors:

Enter your email address to request a password reset.

Checkout View Cart 0

Shop Now
My Account
My Lists
Quick Order Pad
Quick Order Pad
Preferences
Preferences
Manufacturers
Locations
Sign in / Register
Log out

Conduit, Raceway & Strut
Control & Automation
Data & Communication
Electrical Enclosures & Boxes
Fasteners & Hardware
Fire Safety & Protection
Fuses
Heating, Venting & Cooling
Lighting
Power Distribution
Signaling, Speakers & Security
Tools
Wire Termination & Supplies
Wire, Cord & Cable
Wiring Devices & Plates

Shop All Conduit, Raceway & Strut
Cable Tray & Accessories
Conduit
- Metallic Conduit
- Non-Metallic Conduit
Conduit Fittings & Supports
Raceway Systems
Strut & Fittings
Wire Duct, Wire Trough, Wireway & Accessories

Shop All Industrial Automation & Control
Automation Control Connectivity Devices
Control Stations & Control Panels
Discrete & Passive Components
- Capacitors
- Diodes
Machine Safety & Guarding
Motor & Motor Controls
Pilot Devices
PLCs & HMI
Power Monitoring & Control
Relays
Sensors & Accessories
Specialty Industrial Switches
Timers & Counters
Transducers & Transmitters
- Voltage Transducers

Shop All DataComm
Audio & Video Systems
Copper System
Faceplates & Boxes
Fiber Optic System
Network Components
Racks, Enclosures & Cable Management
Video & Voice Distribution

Shop All Electrical Boxes & Enclosures
Box Hardware & Accessories
Device Boxes
Enclosures & Cabinets
Explosion-Proof Boxes
- Boxes
- Covers & Accessories
Junction Boxes
Underground Pull Boxes
- Concrete/Cast Pull Boxes
- Non-Metallic Pull Boxes
Weatherproof Boxes

Shop All Fasteners & Hardware

Anchor Kits

Anchors

Automatic & Magnetic Door Holders

Brackets & Supports

Bushings

Chain

Clamps

Clips

Fastener Kits

Flashing

Hanging & Mounting Accessories

Mechanical Ropes

Nails

Pins

Rivets

Safety
Screw, Bolts & Nuts
Sealing

Staples

Straps

Tie Wire

Washers

Shop All Fire Safety & Protection

Carbon Monoxide Detectors

Fire Alarm Call Points & Accessories

Fire Alarm Control Panels & Accessories

Fire Extinguishers

Firestop Caulk, Sealant & Putties

Firestop Devices & Accessories

Firestop Pillows, Sheets & Wraps

Foam Dispensers

Heat Detectors

Smoke & Carbon Monoxide Combo Alarms

Smoke Alarms

Shop All Fuses
Blade Fuses
Cartridge Fuses
Compact Circuit Protectors

Fuse Holders & Fuse Blocks

Fuse Kits

Fuse Links & Fuse Wires

Fuse Parts & Accessories
Plug Fuses
Power Fuses
- General Purpose Fuses
Specialty Fuses

Shop All Heating, Venting & Cooling
Air Circulators
Central Vacuum Systems
Heating
Kitchen Range Hoods
- Range Hood Accessories
- Range Hoods
Panel Air Conditioner Accessories
Thermal Management
Thermostats
Ventilation Fans
Venting & Ducts

Shop All Lighting
Ballasts, Drivers, Starters & Capacitors
Bulb Recycling & Maintenance
- Lamp Changers & Accessories
- Recycling Kits
Lampholders, Sockets & Sleeves
Lamps & Bulbs
Lighting Fixtures

Shop All Power Distribution & Protection
Accessories
- Power Strips
Busbars & Busways
Circuit Protection
DIN Rail & Accessories
Disconnect & Safety Switches
Electric Vehicle Charging Stations
Generators
Load Centers
Meter Sockets & Metering Equipment
- Metering Sockets
- Meters
Panelboards & Accessories
Photovoltaic Systems & Power Plants
- Solar Combiner Boxes
Power Conditioning
Temporary Power
Terminal Blocks, Taps & Strips
Transformers

Shop All Signaling & Security
Access Control Systems & Accessories
- Access Control Accessories
- Access Control Systems
Signaling Devices
Video & Surveillance Equipment

Shop All Tools & Work Safety
Batteries & Chargers
Hand Tools
Paint, Chemicals & Cleaning Supplies
Personal Protective Equipment
Power Tool Attachments & Accessories
Power Tools
Reference Materials
- Guides, Manuals & Specifications
Safety Lockout & Tagout Devices
Safety Signs, Labels & Tapes
Storage & Material Handling
Tape & Adhesive Materials
Testing & Measurement Equipment
Winter Storm Supplies
- Cold Weather Gear
- Heat Cable

Shop All Wire Termination & Supplies
Cable Accessories, Ties & Tools
Connector Components & Accessories
Cord/Cable Fittings
Grounding Products
Lugs & Split Bolts
Marking & Labeling
Pole Line Hardware
Small Crimp Terminals
Splicing & Terminating Kits
- Splice Kits
- Splicer Reducers
Wire Connectors, Crimps & Disconnects
Wire Protection Devices
Wire Pulling

Shop All Wire, Cord & Cable
Aluminum Building Wire
Bare Wire
- Copper
Copper Building Wire
DataComm & Low Voltage Cable
Direct Burial
- Aluminum
- Copper
Hook-Up, Lead & High Temperature Wire
Metal Clad & Armored Cable
Mining Cable
- Type G & G-GC Cables
- Type W Cables
Portable Cords, Extension Cords & Cord Reels
Service Wire
Tray Cable
- VNTC Vinyl Nylon Tray Cables
Welding Cables

Shop All Wiring Devices & Plates
Accessories
Combination Devices
Pin & Sleeve Devices
Plugs & Connectors
Receptacles
Switches
Wall Plates & Covers

Eaton / Cutler Hammer
Lithonia Lighting by Acuity
Cooper Crouse-Hinds
Leviton
Hubbell Lighting
Lutron
Cooper Lighting by Eaton
GE Lighting
Mersen
Pass & Seymour
RAB Lighting
Sylvania
More Manufacturers

Ohio

QUICK ORDER PAD

Message

1 Select a Product ID Type

The product ID type chosen will be used to identify your items.

2 Add Your Products

Use one of the methods below to add your items to the cart.

Product File Upload
Line Item Entry
Copy & Paste

How to use Product File Upload

Upload *.Xls or *.Csv

How to use Line Item Entry

Cat# or Item# Qty

Product does not exist

Cat# or Item# Qty

Product does not exist

Cat# or Item# Qty

Product does not exist

Cat# or Item# Qty

Product does not exist

Copy and paste your product IDs and quantities separated by a comma.

Cat# or Item#

Example:
FRS-R-30, 4
FRN-R-100, 1
FNQ-R-5, 124

You currently have a Mesco quote in your cart.

In order to maintain your quoted pricing, additional items cannot be added to your cart until you check out or remove the quote from your cart.

Home
Conduit, Raceway & Strut
Conduit Fittings & Supports
Lock Nuts

Show Filters

REFINE YOUR SEARCH

In Stock

Categories

Conduit, Raceway & Strut

Manufacturers

Angelo Brothers Co (1)

Arlington Fittings (2)

Bridgeport (11)

Cooper Crouse-Hinds (46)

Dottie Co L.h. (1)

Eaton / Cutler Hammer (1)

Hellermann Tyton (2)

Molex / Woodhead Conne... (1)

Nest Home Products (1)

Remke Industries (1)

Topaz Electrical Fitt... (14)

Material

Die Cast Zinc (2)

Heavy Duty Steel (6)

Malleable Iron (4)

Nickel Plated Brass (NPB) (1)

Polyamide 6.6 (PA66) (1)

Stainless Steel (3)

Zamek-2, Zamek-3 Type ... (3)

Zinc Die Cast (2)

Zinc Die Cast, Tin Pla... (6)

Zinc Plated Steel (1)

Type

Bonding Locknut (1)

Bonding locknut (6)

Conduit Locknut (1)

Conduit locknut (18)

Die Cast Locknut (1)

Grounding Locknut (2)

Grounding, Rigid/IMC (8)

Inductive proximity se... (1)

Low voltage NH fuse (2)

Sealing Locknut (8)

Sealing locknut (6)

Sealing, Rigid/IMC (4)

Steel Sealing Locknut (1)

Thin construction locknut (3)

Type 1 Threaded Condui... (2)

Material

Die Cast Zinc (2)

Heavy Duty Steel (6)

Malleable Iron (4)

Nickel Plated Brass (NPB) (1)

Polyamide 6.6 (PA66) (1)

Stainless Steel (3)

Zamek-2, Zamek-3 Type ... (3)

Zinc Die Cast (2)

Zinc Die Cast, Tin Pla... (6)

Zinc Plated Steel (1)

Finish

Ball burnish (8)

Zinc Electroplated (7)

Zinc Plated (26)

Trade Size

Color

Application

Commercial / Institut... (42)

Electrical (17)

For Rigid And IMC Cond... (1)

For Rigid Conduit (5)

For Rigid Conduit And IMC (8)

For securing threaded ... (1)

Sealing locknuts provi... (2)

Stationary Mach Equip ... (1)

Steel locknut with PVC... (3)

Used in place where a ... (6)

Used to fasten threade... (2)

Used with bushings to ... (1)

Lock Nuts

121 items

Sort by:

Most Popular

Show:

20 items
- 20
- 40

Sign in or register to view your pricing and inventory.

Appleton BL300A Appleton BL300A Locknut; 3 Inch, Aluminum

Appleton BL300A Locknut; 3 Inch, Aluminum

Manufacturer:	Appleton
Mfr. #:	BL300A
Item #:	206088
UPC:	781381704632

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Appleton BL-350 Appleton BL-350 Locknut; 3-1/2 Inch, Steel

Appleton BL-350 Locknut; 3-1/2 Inch, Steel

Manufacturer:	Appleton
Mfr. #:	BL-350
Item #:	223767
UPC:	781381158305

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Appleton BL-50 Appleton BL-50 Locknut; 1/2 Inch, Threaded, Steel

Appleton BL-50 Locknut; 1/2 Inch, Threaded, Steel

Manufacturer:	Appleton
Mfr. #:	BL-50
Item #:	27100
UPC:	781381157902

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Appleton BL75 Appleton BL75 Locknut; 3/4 Inch, Threaded, Steel

Appleton BL75 Locknut; 3/4 Inch, Threaded, Steel

Manufacturer:	Appleton
Mfr. #:	BL75
Item #:	27665
UPC:	781381157957

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Appleton BL-38 Appleton BL-38 Locknut; 3/8 Inch, Threaded, Steel

Appleton BL-38 Locknut; 3/8 Inch, Threaded, Steel

Manufacturer:	Appleton
Mfr. #:	BL-38
Item #:	26442
UPC:	781381157858

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Appleton GL150 Appleton GL150 Bonding Lock Nut; 1-1/2 Inch, Steel

Appleton GL150 Bonding Lock Nut; 1-1/2 Inch, Steel

Manufacturer:	Appleton
Mfr. #:	GL150
Item #:	477012
UPC:	781381436205

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Arlington Fittings 411 Arlington 411 Conduit Locknut; 5 Inch, Plated Steel

Arlington 411 Conduit Locknut; 5 Inch, Plated Steel

Manufacturer:	Arlington Fittings
Mfr. #:	411
Item #:	201317
UPC:	018997004116

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Arlington Fittings SL600 Arlington SL600 Sealing Lock Nut; 6 Inch, Steel

Arlington SL600 Sealing Lock Nut; 6 Inch, Steel

Manufacturer:	Arlington Fittings
Mfr. #:	SL600
Item #:	260139
UPC:	018997136008

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Bridgeport 109-DC Bridgeport 109-DC Conduit Locknut, 3-1/2 inch, Zinc Die-Cast, Ball Burnished/Mirror Smooth

Bridgeport 109-DC Conduit Locknut, 3-1/2 inch, Zinc Die-Cast, Ball Burnished/Mirror S...

Bridgeport 109-DC Conduit Locknut, 3-1/2 inch, Zinc Die-Cast, Ball Burnished/Mirror Smooth

Bridgeport 109-DC Conduit Locknut, 3-1/2 inch, Zinc Die-Cast, Ball Burnished/Mirror Smooth

Manufacturer:	Bridgeport
Mfr. #:	109-DC
Item #:	118446
UPC:	781747091093

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Bridgeport 108-DC Bridgeport 108-DC Conduit Locknut, 3 inch, Zinc Die-Cast, Ball Burnished/Mirror Smooth

Bridgeport 108-DC Conduit Locknut, 3 inch, Zinc Die-Cast, Ball Burnished/Mirror Smooth

Manufacturer:	Bridgeport
Mfr. #:	108-DC
Item #:	95684
UPC:	781747091086

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Bridgeport 162-G Bridgeport 162-G Grounding Lock Nut; 3/4 Inch, Die Cast Zinc Body, Ball Burnished, Mirror Smooth

Bridgeport 162-G Grounding Lock Nut; 3/4 Inch, Die Cast Zinc Body, Ball Burnished, Mi...

Bridgeport 162-G Grounding Lock Nut; 3/4 Inch, Die Cast Zinc Body, Ball Burnished, Mirror Smooth

Bridgeport 162-G Grounding Lock Nut; 3/4 Inch, Die Cast Zinc Body, Ball Burnished, Mirror Smooth

Manufacturer:	Bridgeport
Mfr. #:	162-G
Item #:	354360
UPC:	781747901620

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Bridgeport 168-G Bridgeport 168-G Grounding Lock Nut; 3 Inch, Die Cast Zinc Body, Ball Burnished, Mirror Smooth

Bridgeport 168-G Grounding Lock Nut; 3 Inch, Die Cast Zinc Body, Ball Burnished, Mirr...

Bridgeport 168-G Grounding Lock Nut; 3 Inch, Die Cast Zinc Body, Ball Burnished, Mirror Smooth

Bridgeport 168-G Grounding Lock Nut; 3 Inch, Die Cast Zinc Body, Ball Burnished, Mirror Smooth

Manufacturer:	Bridgeport
Mfr. #:	168-G
Item #:	354367
UPC:	781747901682

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Bridgeport 166-G Bridgeport 166-G Grounding Lock Nut; 2 Inch, Die Cast Zinc Body, Ball Burnished, Mirror Smooth

Bridgeport 166-G Grounding Lock Nut; 2 Inch, Die Cast Zinc Body, Ball Burnished, Mirr...

Bridgeport 166-G Grounding Lock Nut; 2 Inch, Die Cast Zinc Body, Ball Burnished, Mirror Smooth

Bridgeport 166-G Grounding Lock Nut; 2 Inch, Die Cast Zinc Body, Ball Burnished, Mirror Smooth

Manufacturer:	Bridgeport
Mfr. #:	166-G
Item #:	354365
UPC:	781747901668

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Bridgeport 167-G Bridgeport 167-G Grounding Lock Nut; 2-1/2 Inch, Die Cast Zinc Body, Ball Burnished, Mirror Smooth

Bridgeport 167-G Grounding Lock Nut; 2-1/2 Inch, Die Cast Zinc Body, Ball Burnished, ...

Bridgeport 167-G Grounding Lock Nut; 2-1/2 Inch, Die Cast Zinc Body, Ball Burnished, Mirror Smooth

Bridgeport 167-G Grounding Lock Nut; 2-1/2 Inch, Die Cast Zinc Body, Ball Burnished, Mirror Smooth

Manufacturer:	Bridgeport
Mfr. #:	167-G
Item #:	354366
UPC:	781747901675

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Bridgeport 163-G Bridgeport 163-G Grounding Lock Nut; 1 Inch, Die Cast Zinc Body, Ball Burnished, Mirror Smooth

Bridgeport 163-G Grounding Lock Nut; 1 Inch, Die Cast Zinc Body, Ball Burnished, Mirr...

Bridgeport 163-G Grounding Lock Nut; 1 Inch, Die Cast Zinc Body, Ball Burnished, Mirror Smooth

Bridgeport 163-G Grounding Lock Nut; 1 Inch, Die Cast Zinc Body, Ball Burnished, Mirror Smooth

Manufacturer:	Bridgeport
Mfr. #:	163-G
Item #:	354361
UPC:	781747901637

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Bridgeport 164-G Bridgeport 164-G Grounding Lock Nut; 1-1/4 Inch, Die Cast Zinc Body, Ball Burnished, Mirror Smooth

Bridgeport 164-G Grounding Lock Nut; 1-1/4 Inch, Die Cast Zinc Body, Ball Burnished, ...

Bridgeport 164-G Grounding Lock Nut; 1-1/4 Inch, Die Cast Zinc Body, Ball Burnished, Mirror Smooth

Bridgeport 164-G Grounding Lock Nut; 1-1/4 Inch, Die Cast Zinc Body, Ball Burnished, Mirror Smooth

Manufacturer:	Bridgeport
Mfr. #:	164-G
Item #:	354362
UPC:	781747901644

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Bridgeport 141 Bridgeport 141 Sealing Locknut; 1/2 Inch, Threaded, Steel

Bridgeport 141 Sealing Locknut; 1/2 Inch, Threaded, Steel

Manufacturer:	Bridgeport
Mfr. #:	141
Item #:	141379
UPC:	781747001412

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Bridgeport 142 Bridgeport 142 Sealing Locknut; 3/4 Inch, Threaded, Steel

Bridgeport 142 Sealing Locknut; 3/4 Inch, Threaded, Steel

Manufacturer:	Bridgeport
Mfr. #:	142
Item #:	141922
UPC:	781747001429

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Bridgeport 144 Bridgeport 144 Sealing Locknut; 1-1/4 Inch, Threaded, Steel

Bridgeport 144 Sealing Locknut; 1-1/4 Inch, Threaded, Steel

Manufacturer:	Bridgeport
Mfr. #:	144
Item #:	143733
UPC:	781747001443

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Topaz Electrical Fittings 290B 290B TPZ 6IN STL RGD LOCKNUT

290B TPZ 6IN STL RGD LOCKNUT

Manufacturer:	Topaz Electrical Fittings
Mfr. #:	290B
Item #:	89281
UPC:	751338124103

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Please Wait...

Save to Shopping List

Add Item to Existing List:

Create New List:

Inventory Details

Sort by:

Most Popular

Show:

20 items
- 20
- 40

◄
1
2
3
4
5
6
7
►

Recently Viewed

View Order History

Create Shopping List

Message

Name:

1. Select a Product ID Type.

The product ID type selected from the dropdown will be used to identify products for the upload feature.

2. Add Your Products.

Upload *.Xls

Note: The total number of items in your shopping list cannot exceed 100.

Markets
Finance
Products
- Line Card
- Manufacturers
Resources
Services
- Services Overview
- Energy Management
About Us

Connect with us

facebook twitter linkedin pinterest youtube blog

Help From a Pro

Call - 1-855-267-1160 [email protected]

© 2009-2021 Mesco Electrical Supply Company^®. All rights reserved.

Terms & Conditions
Privacy Policy
Return Policy
Employee Services

Give Us Your Feedback