Adapters & Fittings | Gas Equipment | Airgas

We use cookies to improve your browsing experience and help us improve our websites. By continuing to use our website, you agree to our use of such tracking technologies on the site. The information collected through such tracking technologies may also be shared with our digital advertising and analytics partners. Agree Learn more

Need an Account? Register or Login

One Time Payment | Need an Account? Register or Login

Find a Branch
Customer Service
SDS Search
Careers

Switch Account
Dashboard

Skip to main content

To see product availability

Enter a Delivery Zip Code

Need an Account? Register or Login

One Time Payment | Need an Account? Register or Login

Find a Branch
Customer Service
SDS Search
Careers

×

To see product availability

Enter a Delivery Zip Code

OFFERS & REBATES
Industries
Solutions
Resources

TELL US MORE

To receive the most up-to-date product availability, pricing and delivery options, enter your zip code or log in to your account

Zip Code should not be blank Email and Password should not be blank

Enter Delivery Zip Code

or

Log In

Email Address

Password Show Hide

LOG IN

Forgot Password?

Need an Account? Register

TELL US MORE

Are you currently located in California?

8 characters minimum
One number
One lowercase letter
One uppercase letter
One special character (!@#$%&*)

Password cannot contain space

Pursuant to CA SB 478, if you are located in California, Airgas cannot display your product pricing until all items have been added to your shopping cart so that we can calculate all applicable fees, including, but not limited to, shipping and handling fees.

No

Yes

Have an account?Login

Gases
Gas Equipment
Welding Products
Safety Products
Tools & Hardware
View All

Home/
Category Page/
Gas Equipment/
Support and Maintenance/
Gas Fittings and Adapters

Results For:
By Category
Gas Fittings and Adapters

Narrow Results:

{$title}

{$label}

Everyday Store Stock
Yes (1)

By Manufacturer
Airgas (53)

Western Enterprises (394)

RADNOR™ (100)

Victor Equipment (45)

Miller Electric Manufacturing (32)

Harris Calorific (8)

ESAB (1)

Koike Aronson Inc (1)

Lincoln Electric Co (1)

Product Type
Quick Connect (35)

Hose Adapter (30)

Hose Nipple (29)

Nut (26)

Adapter (23)

Hose Ferrule (19)

Nipple (19)

Coupler Tee (18)

Pipe Nipple (16)

Body Adapter (14)

Hex Nut (13)

Quick Connect Adapter (13)

Repair Kit (13)

Regulator Inlet Nipple (12)

Hose Nut (10)

Hose Repair Kit (10)

Quick Disconnect Set (10)

Bushing (9)

Cylinder Adapter (9)

Swivel (9)

Y Connector (8)

Hose Coupler (7)

Pipe Tee (7)

Adaptor (6)

Hose Connector (6)

Hose Splicer (6)

Outlet Adapter (6)

Quick Disconnect Female Socket (6)

Check Valve (5)

Hose Ferrule Set (5)

Pipe Elbow (5)

Quick Connect Coupler (5)

Quick Connect Set (5)

Quick Disconnect Male Plug (5)

Regulator Nut (5)

Union Adapter (5)

Y Connection (5)

Hose Nut/Nipple (4)

Quick Connect Y-Coupler (4)

Cartridge Valve (3)

Chain And Plug Assembly (3)

Flow Adapter (3)

Hose Coupler Set (3)

Hose Splicer Set (3)

Pipe Street Elbow (3)

Regulator Inlet Nut (3)

Tailpiece (3)

Washer (3)

Crimping Tool (2)

Elbow (2)

Hose Adaptor (2)

Hose Bushing Set (2)

Hose Clamp Set (2)

Hose Nipple Set (2)

Hose Nut Set (2)

Hose Y Connector (2)

Inert Arc Nipple (2)

Inert Arc Nuts (2)

Nipple And Nut (2)

Pipe Away Adapter (2)

Pipe Cross (2)

Pipe Extension (2)

Pipe Plug (2)

Pipe Thread Connector (2)

Regulator Nipple (2)

Regulator Outlet Bushing (2)

Relief Valve (2)

Street Elbow (2)

Surge Protectors (2)

Tubing Connection Adapter (2)

Y Hose Coupler (2)

Adapter Kit (1)

Arc Hose And Torch Adapter (1)

Bracket (1)

Connection Inlet (1)

Coupling Set (1)

Dual Light Assembly Repair Kit (1)

Dust Cap (1)

Filter (1)

Fitting (1)

Header Bracket (1)

Hose Barb (1)

Hose Bushings (1)

Hose Ferrules (1)

Hose Inlet (1)

Hose Kit (1)

Inert Arc Adapter (1)

Inert Arc Hose & Torch Adapter (1)

Inert Arc Hose Coupler (1)

Inlet Nipple (1)

Inlet Nipple Assembly (1)

Inlet Washer (1)

Kwik-Connect™ Assembly (1)

Orifice Adapter (1)

Pigtail (1)

Pipe Branch Tee (1)

Pipe Coupler (1)

Pipe Reducer (1)

Pipe Street Tee (1)

Plug (1)

Size Description
3/4" - 16 UNF (45)

1/4" NPT Male (30)

DISS1240 (28)

9/16" - 18 UNF (24)

1/8" NPT Male (23)

CGA-540 (18)

CGA-320 (13)

1/4" (12)

CGA-580 (10)

DISS 1120 - A (10)

1/8" NPT Female (9)

7/8" (8)

9/16" - 18 UNF B" (8)

CGA-346 (7)

CGA-510 (7)

DISS 1080 - A (7)

DISS 1160 - A (7)

DISS Male (7)

1/4" NPT Male X 3" L (6)

CGA-347 (6)

1/4" Female (5)

1/4" NPT (5)

1/4" NPT Female (5)

1/4" NPT Male X 2 1/2" L (5)

1/4" NPTM (5)

CGA-350 (5)

CGA-680 (5)

1/4" ID (4)

1/4" Male (4)

1/4" NPT Female X 1/4" NPT Male (4)

3/16" (4)

9/16" - 18 UNF B LH (4)

CGA-702 (4)

DISS (4)

DISS 1040 - A (4)

DISS 1220 (4)

.562" ID" (3)

.593" ID" (3)

1/4" NPT Female Inlet X Male Outlet (3)

1/4" NPT Male X 2" L (3)

1/4" NPT Male" (3)

1/8" NPT Female X 1/8" NPT Male (3)

2 1/2" L (3)

3/4" NPT Female (3)

3/8" (3)

5/8" - 18 RH (3)

9/16" - 18 B RH (3)

9/16" - 18 UNF B RH (3)

B (3)

B X 9/16" - 18 LH (3)

B X 9/16" - 18 RH (3)

CGA-510 X CGA-300 (3)

CGA-695 (3)

CGA-703 (3)

DISS 2220 (3)

DISS Male X Female (3)

DISS Nut X Nipple (3)

DISS1040A (3)

DISS1220 (3)

Female (3)

Female RH (3)

Handtight Nut X Nipple (3)

.525" ID" (2)

.625" ID" (2)

.908" - 14 Female RH (2)

1/4" - 1/4" ID" (2)

1/4" B ID" (2)

1/4" Hose Barb X Female (2)

1/4" Hose Barb X Male (2)

1/4" NPT Male X Female (2)

2 3/4" (2)

2.187" L (2)

3/16" Tapered X 3/8" (2)

5/8" - 18 UNF (2)

5/8" - 18 UNF B RH (2)

7/8" - 14 UNF (2)

9/16" - 18 B LH (2)

9/16" - 18 B" (2)

9/16" - 18 RH Female (2)

90° (2)

B Male LH X 1/4" NPT Male (2)

B Oxygen RH Male (2)

CGA-024 (2)

CGA-025 (2)

CGA-510/580/590 (2)

CGA-590 (2)

CGA-660 (2)

DISS 1240 (2)

DISS Handtight Nut X Nipple (2)

Female LH (2)

Male LH (2)

Male RH (2)

.026" (1)

.032" (1)

.042" (1)

.41" ID X 1/2" L (1)

.450" ID" (1)

.478" ID X 11/16" L (1)

.5" ID X 1" L (1)

.500" ID" (1)

Gas
Oxygen (150)

Fuel Gas (42)

Nitrogen (32)

Medical Air (30)

Acetylene (27)

Carbon Dioxide (25)

Air (23)

Inert Gases (19)

Nitrous Oxide (19)

Fuel Gases (15)

Helium (15)

Inert Gas (14)

Argon (12)

Hydrogen (9)

POL Acetylene (8)

Carbon Dioxide-Oxygen Mixtures (CO2 >7%) (7)

Propane (5)

Suction (5)

Industrial Air (4)

B Tank Acetylene (3)

Flammable (3)

Inert (3)

Medical Mixtures (3)

Methane (3)

Water (3)

Commercial Acetylene (2)

Evacuation (2)

MC Acetylene (2)

Manifold Oxygen (2)

Medical Breathing Mixtures (2)

Natural Gas (2)

Special Mixtures (2)

All Gases (1)

British Oxygen & Inert Gas (1)

Dry (1)

Fuel (1)

Helium-Nitrogen Mixtures (1)

Helium-Oxygen Mixtures (Helium > 80%) (1)

Industrial CO2 (1)

LP (1)

LPG (1)

Medical (1)

Medical Oxygen (1)

Mixture (1)

Natural (1)

Non-Corrosive (1)

Non-Flammable Mixtures (1)

Oxygen-Carbon Dioxide Mixtures (Carbon Dioxide < 7%) (1)

Refrigerant (1)

Station Oxygen (1)

Material
Brass (344)

Stainless Steel (27)

Chrome Plated Brass (18)

Nickel Plated Brass (4)

PTFE (4)

Steel (4)

Anodized Aluminum (2)

Fiber (2)

Nickel-Plated (2)

Plastic (2)

Brass Alloy 360 (1)

Chrome Plated (1)

Nickel Plated (1)

Rubber (1)

Stem Assembly (1)

Teflon (1)

Compare Products Up to 4

Gas Fittings and Adapters

Sort by:

WESOR203-2

Western DISS Male 50 psi Nitrous Oxide Ohmeda® Female Quick Connect

Western DISS Male 50 psi Nitrous Oxide Ohmeda® Female Quick Connect

Show Full Description Hide Full Description

Compare

Western DISS Male 50 psi Nitrous Oxide Ohmeda® Female Quick Connect

Western DISS Male 50 psi Nitrous Oxide Ohmeda® Female Quick Connect

Western DISS Male 50 psi Nitrous Oxide Ohmeda® Female Quick Connect

Show Full Description Hide Full Description

Airgas Part #:WESOR203-2

WESM12-5CV

Western® 1/4" NPT Male DISS1060A 3/4" - 16 UNF 50 psi Check Valve Body Adapter

Western® 1/4" NPT Male DISS1060A 3/4" - 16 UNF 50 psi Check Valve Body Adapter

Show Full Description Hide Full Description

Compare

Western® 1/4" NPT Male DISS1060A 3/4" - 16 UNF 50 psi Check Valve Body Adapter

Western® 1/4" NPT Male DISS1060A 3/4" - 16 UNF 50 psi Check Valve Body Adapter

Western® 1/4" NPT Male DISS1060A 3/4" - 16 UNF 50 psi Check Valve Body Adapter

Show Full Description Hide Full Description

Airgas Part #:WESM12-5CV

WESMQ101-5

Western® DISS Handtight Nut X Nipple 50 psi Oxygen Chemetron® Male Quick Connect Adapter

Western® DISS Handtight Nut X Nipple 50 psi Oxygen Chemetron® Male Quick Connect Adapter

Show Full Description Hide Full Description

Compare

Western® DISS Handtight Nut X Nipple 50 psi Oxygen Chemetron® Male Quick Connect Adapter

Western® DISS Handtight Nut X Nipple 50 psi Oxygen Chemetron® Male Quick Connect Adapter

Western® DISS Handtight Nut X Nipple 50 psi Oxygen Chemetron® Male Quick Connect Adapter

Show Full Description Hide Full Description

Airgas Part #:WESMQ101-5

WESMQ203-2

Western DISS Male Chrome Plated Brass 50 psi Ohmeda® Male Quick Connect

Western DISS Male Chrome Plated Brass 50 psi Ohmeda® Male Quick Connect

Show Full Description Hide Full Description

Compare

Western DISS Male Chrome Plated Brass 50 psi Ohmeda® Male Quick Connect

Western DISS Male Chrome Plated Brass 50 psi Ohmeda® Male Quick Connect

Western DISS Male Chrome Plated Brass 50 psi Ohmeda® Male Quick Connect

Show Full Description Hide Full Description

Airgas Part #:WESMQ203-2

WESM34-22

Western® CGA-346 3000 psi High Pressure Chain And Plug Assembly

Western® CGA-346 3000 psi High Pressure Chain And Plug Assembly

Show Full Description Hide Full Description

Compare

Western® CGA-346 3000 psi High Pressure Chain And Plug Assembly

Western® CGA-346 3000 psi High Pressure Chain And Plug Assembly

Western® CGA-346 3000 psi High Pressure Chain And Plug Assembly

Show Full Description Hide Full Description

Airgas Part #:WESM34-22

MILH54

Miller® Brass Nut/Connection Inlet

Miller® Brass Nut/Connection Inlet

Show Full Description Hide Full Description

Compare

Miller® Brass Nut/Connection Inlet

Miller® Brass Nut/Connection Inlet

Miller® Brass Nut/Connection Inlet

Show Full Description Hide Full Description

Airgas Part #:MILH54

MIL14390

Miller® 9/16" - 18 RH Brass Fuel Gas Hose Adaptor

Miller® 9/16" - 18 RH Brass Fuel Gas Hose Adaptor

Show Full Description Hide Full Description

Compare

Miller® 9/16" - 18 RH Brass Fuel Gas Hose Adaptor

Miller® 9/16" - 18 RH Brass Fuel Gas Hose Adaptor

Miller® 9/16" - 18 RH Brass Fuel Gas Hose Adaptor

Show Full Description Hide Full Description

Airgas Part #:MIL14390

WESOR202-1

Western 1/4" Female 50 psi Medical Air Ohmeda® Barbed Quick Connect

Western 1/4" Female 50 psi Medical Air Ohmeda® Barbed Quick Connect

Show Full Description Hide Full Description

Compare

Western 1/4" Female 50 psi Medical Air Ohmeda® Barbed Quick Connect

Western 1/4" Female 50 psi Medical Air Ohmeda® Barbed Quick Connect

Western 1/4" Female 50 psi Medical Air Ohmeda® Barbed Quick Connect

Show Full Description Hide Full Description

Airgas Part #:WESOR202-1

WESOR202-5

Western DISS Handtight Nut X Nipple Female 50 psi Ohmeda® Female Quick Connect

Western DISS Handtight Nut X Nipple Female 50 psi Ohmeda® Female Quick Connect

Show Full Description Hide Full Description

Compare

Western DISS Handtight Nut X Nipple Female 50 psi Ohmeda® Female Quick Connect

Western DISS Handtight Nut X Nipple Female 50 psi Ohmeda® Female Quick Connect

Western DISS Handtight Nut X Nipple Female 50 psi Ohmeda® Female Quick Connect

Show Full Description Hide Full Description

Airgas Part #:WESOR202-5

WESBFT-12HP

Western® 3/4" NPT Female Brass 3000 psig 3-Way Pipe Tee

Western® 3/4" NPT Female Brass 3000 psig 3-Way Pipe Tee

Show Full Description Hide Full Description

Compare

Western® 3/4" NPT Female Brass 3000 psig 3-Way Pipe Tee

Western® 3/4" NPT Female Brass 3000 psig 3-Way Pipe Tee

Western® 3/4" NPT Female Brass 3000 psig 3-Way Pipe Tee

Show Full Description Hide Full Description

Airgas Part #:WESBFT-12HP

WESMQ202-1

Western® 1/4" Hose Barb X Male 50 psi Medical Air Ohmeda® Quick Connect Adapter

Western® 1/4" Hose Barb X Male 50 psi Medical Air Ohmeda® Quick Connect Adapter

Show Full Description Hide Full Description

Compare

Western® 1/4" Hose Barb X Male 50 psi Medical Air Ohmeda® Quick Connect Adapter

Western® 1/4" Hose Barb X Male 50 psi Medical Air Ohmeda® Quick Connect Adapter

Western® 1/4" Hose Barb X Male 50 psi Medical Air Ohmeda® Quick Connect Adapter

Show Full Description Hide Full Description

Airgas Part #:WESMQ202-1

WESM04-5

Western 1/4" NPT Male DISS 1040 - A 3/4" - 16 UNF Chrome Plated Brass 200 psi Body Adapter

Western 1/4" NPT Male DISS 1040 - A 3/4" - 16 UNF Chrome Plated Brass 200 psi Body Adapter

Show Full Description Hide Full Description

Compare

Western 1/4" NPT Male DISS 1040 - A 3/4" - 16 UNF Chrome Plated Brass 200 psi Body Adapter

Western 1/4" NPT Male DISS 1040 - A 3/4" - 16 UNF Chrome Plated Brass 200 psi Body Adapter

Western 1/4" NPT Male DISS 1040 - A 3/4" - 16 UNF Chrome Plated Brass 200 psi Body Adapter

Show Full Description Hide Full Description

Airgas Part #:WESM04-5

WESOR101-1

Western 1/4" Female 50 psi Chemetron® Barbed Quick Connect

Western 1/4" Female 50 psi Chemetron® Barbed Quick Connect

Show Full Description Hide Full Description

Compare

Western 1/4" Female 50 psi Chemetron® Barbed Quick Connect

Western 1/4" Female 50 psi Chemetron® Barbed Quick Connect

Western 1/4" Female 50 psi Chemetron® Barbed Quick Connect

Show Full Description Hide Full Description

Airgas Part #:WESOR101-1

WESOR101-76

Western 50 psi Oxygen Chemetron® Quick Connect Y-Coupler With Adapter

Western 50 psi Oxygen Chemetron® Quick Connect Y-Coupler With Adapter

Show Full Description Hide Full Description

Compare

Western 50 psi Oxygen Chemetron® Quick Connect Y-Coupler With Adapter

Western 50 psi Oxygen Chemetron® Quick Connect Y-Coupler With Adapter

Western 50 psi Oxygen Chemetron® Quick Connect Y-Coupler With Adapter

Show Full Description Hide Full Description

Airgas Part #:WESOR101-76

WESOR104-76

Western 50 psi Suction Chemetron® Quick Connect Y-Coupler With Adapter

Western 50 psi Suction Chemetron® Quick Connect Y-Coupler With Adapter

Show Full Description Hide Full Description

Compare

Western 50 psi Suction Chemetron® Quick Connect Y-Coupler With Adapter

Western 50 psi Suction Chemetron® Quick Connect Y-Coupler With Adapter

Western 50 psi Suction Chemetron® Quick Connect Y-Coupler With Adapter

Show Full Description Hide Full Description

Airgas Part #:WESOR104-76

WESOR201-2

Western DISS Male X Female 50 psi Ohmeda® Quick Connect

Western DISS Male X Female 50 psi Ohmeda® Quick Connect

Show Full Description Hide Full Description

Compare

Western DISS Male X Female 50 psi Ohmeda® Quick Connect

Western DISS Male X Female 50 psi Ohmeda® Quick Connect

Western DISS Male X Female 50 psi Ohmeda® Quick Connect

Show Full Description Hide Full Description

Airgas Part #:WESOR201-2

WESOR201-77

Western 50 psi Ohmeda® Quick Connect Y-Coupler With Adapter

Western 50 psi Ohmeda® Quick Connect Y-Coupler With Adapter

Show Full Description Hide Full Description

Compare

Western 50 psi Ohmeda® Quick Connect Y-Coupler With Adapter

Western 50 psi Ohmeda® Quick Connect Y-Coupler With Adapter

Western 50 psi Ohmeda® Quick Connect Y-Coupler With Adapter

Show Full Description Hide Full Description

Airgas Part #:WESOR201-77

WESSS-110M

Western 1/4" NPT Male Stainless Steel 6000 psig Metering Seat Cartridge Valve

Western 1/4" NPT Male Stainless Steel 6000 psig Metering Seat Cartridge Valve

Show Full Description Hide Full Description

Compare

Western 1/4" NPT Male Stainless Steel 6000 psig Metering Seat Cartridge Valve

Western 1/4" NPT Male Stainless Steel 6000 psig Metering Seat Cartridge Valve

Western 1/4" NPT Male Stainless Steel 6000 psig Metering Seat Cartridge Valve

Show Full Description Hide Full Description

Airgas Part #:WESSS-110M

WEST-346SS

Western CGA-346 Female Brass Manifold Coupler Tee

Western CGA-346 Female Brass Manifold Coupler Tee

Show Full Description Hide Full Description

Compare

Western CGA-346 Female Brass Manifold Coupler Tee

Western CGA-346 Female Brass Manifold Coupler Tee

Western CGA-346 Female Brass Manifold Coupler Tee

Show Full Description Hide Full Description

Airgas Part #:WEST-346SS

WESWMS-1-40

Western® 1/2" NPT X 1" - 11 1/2" NPS RH 2.187" L 3000 psig Manifold Union Adapter With Nickel Plated Phosphorous Bronze Filter

Western® 1/2" NPT X 1" - 11 1/2" NPS RH 2.187" L 3000 psig Manifold Union Adapter With Nickel Plated Phosphorous Bronze Filter

Show Full Description Hide Full Description

Compare

Western® 1/2" NPT X 1" - 11 1/2" NPS RH 2.187" L 3000 psig Manifold Union Adapter With Nickel Plated Phosphorous Bronze Filter

Western® 1/2" NPT X 1" - 11 1/2" NPS RH 2.187" L 3000 psig Manifold Union Adapter With Nickel Plated Phosphorous Bronze Filter

Western® 1/2" NPT X 1" - 11 1/2" NPS RH 2.187" L 3000 psig Manifold Union Adapter With Nickel Plated Phosphorous Bronze Filter

Show Full Description Hide Full Description

Airgas Part #:WESWMS-1-40

‹ PREV
1..
18
19
20
21
22
...32
NEXT ›

Shop Hundreds Of Adaptors And Fittings At Airgas

Find any adaptors and fittings you need when connecting gases to your gas systems or equipment for your particular applications, including connecting sets, hose repair kits, washer sets, couplers, splicers, hose ferrules, and clamps. Airgas has you covered with components from the industry's leading manufacturers.

Airgas is a leading single-source supplier for all things gases, welding equipment, and supplies, and safety products. Find it with us, anytime, anywhere at Airgas.com.

0FE794CFB546C62D7B9ECF382B079A04

0FE794CFB546C62D7B9ECF382B079A04

Gas Supply

Airgas Dry Ice
Bulk Gas Supply
Food Grade Gases
Gas Cylinders
Gas Supply Modes
Industrial Gases
Medical Grade Gases
Shop Gases

Expertise

Additive Manufacturing
Aerospace & Defense
Airgas Healthcare
Construction
Energy & Chemicals
Food Industry
Life Sciences
Metal Fabrication
Retail
View All

Resources

Catalogs
COA Search
FAQs
Offers & Rebates
Safety Notices
SDS Search
User Guides
Welder Rentals

Our Company

Careers
Events
Fill Your Potential
Mergers & Acquisitions
Newsroom
Overview
Sustainability
Visit Parent Company

Terms

Do Not Sell/Share My Personal Information
Mobile App Policy
Privacy Policy
Return Policy
Terms & Conditions
Terms of Sale
Website Accessibility

Contact

Connect with Sales
Customer Service
Emergency Response
Find a Branch

Log In
Register
ONE TIME PAYMENT
Shop Products
Find A Branch
Industries
Solutions
Customer Service
Search Careers
Newsroom

© 2026 Airgas, Inc. All Rights Reserved.
|Customer Service ||Privacy Policy ||Terms & Conditions ||Terms of Sale ||Do Not Sell/Share My Personal Information ||Website Accessibility ||Return Policy ||Website Accessibility |

0FE794CFB546C62D7B9ECF382B079A04

0FE794CFB546C62D7B9ECF382B079A04

0FE794CFB546C62D7B9ECF382B079A04

0FE794CFB546C62D7B9ECF382B079A04

0FE794CFB546C62D7B9ECF382B079A04

0FE794CFB546C62D7B9ECF382B079A04