Please Wait

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
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
- Level 2 Charging Station
- Parts & Accessories
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
- Camera Lenses & Accessories
- CCTV Cameras

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
Rigid Conduit Fittings
Unions

Show Filters

MORE WAYS TO SHOP

REFINE YOUR SEARCH

In Stock

Categories

Conduit, Raceway & Strut

Manufacturers

Killark Elec Mfg (7)

Material

Aluminum, Copper Free ... (1)

Copper-Free Aluminum (6)

Copperfree (4/10 Of 1 ... (1)

Malleable Iron (1)

Type

Steel female to female... (1)

Steel long female expa... (1)

Steel male to female u... (3)

Steel short female exp... (1)

Steel short male expan... (1)

UNF Standard Expansion... (1)

Material

Finish

Zinc Plated (7)

Trade Size

Connection

Male Threaded (1)

Application

For Connecting Conduit... (1)

To provide for slight ... (3)

UNF unions are used to... (1)

UNY unions are used to... (3)

Color

Unions

8 items

Sort by:

Most Popular

Show:

20 items
- 20
- 40

Sign in or register to view your pricing and inventory.

Appleton UNY75 Appleton UNY75 UNY Male Union; 3/4 Inch, MNPT, Steel

Appleton UNY75 UNY Male Union; 3/4 Inch, MNPT, Steel

Manufacturer:	Appleton
Mfr. #:	UNY75
Item #:	228474
UPC:	781381695800

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Killark Elec Mfg UNFS2 Killark UNFS2 UNF Series Fittings - Expansion Conduit Unions - Female - Short - Hub Size 3/4 In

Killark UNFS2 UNF Series Fittings - Expansion Conduit Unions - Female - Short - Hub S...

Killark UNFS2 UNF Series Fittings - Expansion Conduit Unions - Female - Short - Hub Size 3/4 In

Killark UNFS2 UNF Series Fittings - Expansion Conduit Unions - Female - Short - Hub Size 3/4 In

Manufacturer:	Killark Elec Mfg
Mfr. #:	UNFS2
Item #:	490461
UPC:	783936010564

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Killark Elec Mfg UNF2 Killark UNF2 UN Series - Iron Union - Female/Female - Hub Size 3/4 Inch

Killark UNF2 UN Series - Iron Union - Female/Female - Hub Size 3/4 Inch

Manufacturer:	Killark Elec Mfg
Mfr. #:	UNF2
Item #:	37839
UPC:	783936010472

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Killark Elec Mfg UNY2 Killark UNY2 UN Series - Iron Union - Male/Female - Hub Size 3/4 Inch

Killark UNY2 UN Series - Iron Union - Male/Female - Hub Size 3/4 Inch

Manufacturer:	Killark Elec Mfg
Mfr. #:	UNY2
Item #:	117265
UPC:	783936010434

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Killark Elec Mfg UNY3 Killark UNY3 UN Series - Iron Union - Male/Female - Hub Size 1 Inch

Killark UNY3 UN Series - Iron Union - Male/Female - Hub Size 1 Inch

Manufacturer:	Killark Elec Mfg
Mfr. #:	UNY3
Item #:	100317
UPC:	783936010441

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Killark Elec Mfg UNFL2 UNFL2 KILLARK 3/4IN ST EXP LONG UNION FEMALE

UNFL2 KILLARK 3/4IN ST EXP LONG UNION FEMALE

Manufacturer:	Killark Elec Mfg
Mfr. #:	UNFL2
Item #:	490773
UPC:	783936010595

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Killark Elec Mfg UNYS3 Killark UNYS3 UNY Series Fittings - Expansion Conduit Unions - Male - Short - Hub Size 1 In

Killark UNYS3 UNY Series Fittings - Expansion Conduit Unions - Male - Short - Hub Siz...

Killark UNYS3 UNY Series Fittings - Expansion Conduit Unions - Male - Short - Hub Size 1 In

Killark UNYS3 UNY Series Fittings - Expansion Conduit Unions - Male - Short - Hub Size 1 In

Manufacturer:	Killark Elec Mfg
Mfr. #:	UNYS3
Item #:	145215
UPC:	783936010519

Compare Compare

View Product Details

Your Price:

Log In / Register

Order Details

Killark Elec Mfg UNY1 Killark UNY1 UN Series - Iron Union - Male/Female - Hub Size 1/2 Inch

Killark UNY1 UN Series - Iron Union - Male/Female - Hub Size 1/2 Inch

Manufacturer:	Killark Elec Mfg
Mfr. #:	UNY1
Item #:	134586
UPC:	783936010410

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

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

Help From a Pro

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

Connect with us

facebook twitter linkedin pinterest youtube blog

Terms & Conditions
Privacy Policy
Return Policy
Accessibility Information
Employee Services

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

Give Us Your Feedback