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 cookies. Agree Learn more

Need an Account? Register or Login

Find A Branch
Customer Service
SDS Search

Switch Account
Dashboard

Need an Account? Register or Login

Find A Branch
Customer Service
SDS Search

×

Products

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
Choose a refinement:

Yes (1)

By Manufacturer
Choose a refinement:

Airgas (53)

Western Enterprises (404)

RADNOR™ (100)

Victor Equipment (36)

Miller Electric Manufacturing (27)

Honeywell Safety Products USA Inc (14)

Harris Calorific (8)

Koike Aronson Inc (1)

Lincoln Electric Co (1)

Product Type
Choose a refinement:

Quick Connect (35)

Hose Adapter (30)

Hose Nipple (29)

Adapter (26)

Nut (23)

Hose Ferrule (20)

Coupler Tee (19)

Nipple (19)

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)

Hose Coupler (7)

Outlet Adapter (7)

Pipe Tee (7)

Y Connector (7)

Coupler Kit (6)

Hose Splicer (6)

Quick Disconnect Female Socket (6)

Adaptor (5)

Cartridge Valve (5)

Check Valve (5)

Hose Connector (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)

Chain And Plug Assembly (3)

Female Coupler (3)

Flow Adapter (3)

Hose Coupler Set (3)

Hose Splicer Set (3)

Male Plug (3)

Pipe Street Elbow (3)

Regulator Inlet Nut (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)

Washer (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)

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)

Male Coupler (1)

Orifice Adapter (1)

Pigtail (1)

Pipe Branch Tee (1)

Pipe Coupler (1)

Pipe Reducer (1)

Size Description
Choose a refinement:

3/4" - 16 UNF (45)

1/4" NPT Male (31)

DISS1240 (29)

9/16" - 18 UNF (24)

1/8" NPT Male (23)

CGA-540 (19)

CGA-320 (13)

1/4" (12)

CGA-580 (11)

DISS 1120 - A (10)

1/8" NPT Female (9)

7/8" (8)

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

CGA-510 (7)

DISS 1080 - A (7)

DISS 1160 - A (7)

DISS Male (7)

1/4" NPT Female (6)

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

CGA-346 (6)

CGA-347 (6)

1/4" Female (5)

1/4" NPT (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)

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)

1/8" 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 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)

Male RH (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 Female" (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 (2)

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

B Oxygen RH Male (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)

.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)

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

Gas
Choose a refinement:

Oxygen (150)

Fuel Gas (41)

Nitrogen (33)

Medical Air (30)

Acetylene (26)

Carbon Dioxide (26)

Air (24)

Inert Gases (19)

Nitrous Oxide (19)

Helium (16)

Fuel Gases (15)

Inert Gas (15)

Argon (13)

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)

Corrosive (1)

Dry (1)

Fuel (1)

Helium-Nitrogen Mixtures (1)

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

Industrial Mixture (Oxygen) (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
Choose a refinement:

Brass (343)

Stainless Steel (27)

Chrome Plated Brass (18)

Nickel Plated Brass (5)

PTFE (4)

Steel (4)

Plastic (3)

Anodized Aluminum (2)

Fiber (2)

Nickel-Plated (2)

316 Stainless Steel (1)

Brass Alloy 360 (1)

Chrome Plated (1)

Rubber (1)

Compare Products Up to 4

Gas Fittings and Adapters

Sort by:

RAD64003969

RADNOR™ WD2114 CGA-320 Fiber/PTFE Carbon Dioxide Washer Set

RADNOR™ WD2114 CGA-320 Fiber/PTFE Carbon Dioxide Washer Set

Show Full Description Hide Full Description

Compare

RADNOR™ WD2114 CGA-320 Fiber/PTFE Carbon Dioxide Washer Set

RADNOR™ WD2114 CGA-320 Fiber/PTFE Carbon Dioxide Washer Set

RADNOR™ WD2114 CGA-320 Fiber/PTFE Carbon Dioxide Washer Set

Show Full Description Hide Full Description

Airgas Part #:RAD64003969

Change Package Size

Y99HEATER326-AG

Airgas® 110 Volt Electric Gas Heater With CGA-326 Connections For Use With Nitrous Oxide

Airgas® 110 Volt Electric Gas Heater With CGA-326 Connections For Use With Nitrous Oxide

Show Full Description Hide Full Description

Compare

Airgas® 110 Volt Electric Gas Heater With CGA-326 Connections For Use With Nitrous Oxide

Airgas® 110 Volt Electric Gas Heater With CGA-326 Connections For Use With Nitrous Oxide

Airgas® 110 Volt Electric Gas Heater With CGA-326 Connections For Use With Nitrous Oxide

Show Full Description Hide Full Description

Airgas Part #:Y99HEATER326-AG

Y99CPA4705-AG

Airgas® Stainless Steel Cross-Purge Assembly With 3000 PSI Maximum Rated Inlet Pressure, CGA-705

Airgas® Stainless Steel Cross-Purge Assembly With 3000 PSI Maximum Rated Inlet Pressure, CGA-705

Show Full Description Hide Full Description

Compare

Airgas® Stainless Steel Cross-Purge Assembly With 3000 PSI Maximum Rated Inlet Pressure, CGA-705

Airgas® Stainless Steel Cross-Purge Assembly With 3000 PSI Maximum Rated Inlet Pressure, CGA-705

Airgas® Stainless Steel Cross-Purge Assembly With 3000 PSI Maximum Rated Inlet Pressure, CGA-705

Show Full Description Hide Full Description

Airgas Part #:Y99CPA4705-AG

RAD64003884

RADNOR™ QDB40 9/16" - 18 UNF B" Brass Fuel Gas/Oxygen Quick-Connect Set

RADNOR™ QDB40 9/16" - 18 UNF B" Brass Fuel Gas/Oxygen Quick-Connect Set

Show Full Description Hide Full Description

Compare

RADNOR™ QDB40 9/16" - 18 UNF B" Brass Fuel Gas/Oxygen Quick-Connect Set

RADNOR™ QDB40 9/16" - 18 UNF B" Brass Fuel Gas/Oxygen Quick-Connect Set

RADNOR™ QDB40 9/16" - 18 UNF B" Brass Fuel Gas/Oxygen Quick-Connect Set

Show Full Description Hide Full Description

Airgas Part #:RAD64003884

Change Package Size

RAD64003933

RADNOR™ AW-15A 1/4" NPT Male X 5/8" - 18 UNF B RH Female" Brass Inert Gas Inert Arc Adapter

RADNOR™ AW-15A 1/4" NPT Male X 5/8" - 18 UNF B RH Female" Brass Inert Gas Inert Arc Adapter

Show Full Description Hide Full Description

Compare

RADNOR™ AW-15A 1/4" NPT Male X 5/8" - 18 UNF B RH Female" Brass Inert Gas Inert Arc Adapter

RADNOR™ AW-15A 1/4" NPT Male X 5/8" - 18 UNF B RH Female" Brass Inert Gas Inert Arc Adapter

RADNOR™ AW-15A 1/4" NPT Male X 5/8" - 18 UNF B RH Female" Brass Inert Gas Inert Arc Adapter

Show Full Description Hide Full Description

Airgas Part #:RAD64003933

Change Package Size

RAD64003935

RADNOR™ AW-430 5/8" - 18 UNF B RH F X 5/8" - 18 UNF B RH F" Brass Inert Gas Inert Arc Hose Coupler

RADNOR™ AW-430 5/8" - 18 UNF B RH F X 5/8" - 18 UNF B RH F" Brass Inert Gas Inert Arc Hose Coupler

Show Full Description Hide Full Description

Compare

RADNOR™ AW-430 5/8" - 18 UNF B RH F X 5/8" - 18 UNF B RH F" Brass Inert Gas Inert Arc Hose Coupler

RADNOR™ AW-430 5/8" - 18 UNF B RH F X 5/8" - 18 UNF B RH F" Brass Inert Gas Inert Arc Hose Coupler

RADNOR™ AW-430 5/8" - 18 UNF B RH F X 5/8" - 18 UNF B RH F" Brass Inert Gas Inert Arc Hose Coupler

Show Full Description Hide Full Description

Airgas Part #:RAD64003935

Change Package Size

RAD64003992

RADNOR™ WD2129 5/8" - 18 B RH Brass Inert Gas Hose Coupler Set

RADNOR™ WD2129 5/8" - 18 B RH Brass Inert Gas Hose Coupler Set

Show Full Description Hide Full Description

Compare

RADNOR™ WD2129 5/8" - 18 B RH Brass Inert Gas Hose Coupler Set

RADNOR™ WD2129 5/8" - 18 B RH Brass Inert Gas Hose Coupler Set

RADNOR™ WD2129 5/8" - 18 B RH Brass Inert Gas Hose Coupler Set

Show Full Description Hide Full Description

Airgas Part #:RAD64003992

RAD64003924

RADNOR™ 7325 .562" ID" Brass Hose Ferrule

RADNOR™ 7325 .562" ID" Brass Hose Ferrule

Show Full Description Hide Full Description

Compare

RADNOR™ 7325 .562" ID" Brass Hose Ferrule

RADNOR™ 7325 .562" ID" Brass Hose Ferrule

RADNOR™ 7325 .562" ID" Brass Hose Ferrule

Show Full Description Hide Full Description

Airgas Part #:RAD64003924

Change Package Size

RAD64003918

RADNOR™ 112 9/16" - 18 UNF B LH Brass Fuel Gas Y Connection

RADNOR™ 112 9/16" - 18 UNF B LH Brass Fuel Gas Y Connection

Show Full Description Hide Full Description

Compare

RADNOR™ 112 9/16" - 18 UNF B LH Brass Fuel Gas Y Connection

RADNOR™ 112 9/16" - 18 UNF B LH Brass Fuel Gas Y Connection

RADNOR™ 112 9/16" - 18 UNF B LH Brass Fuel Gas Y Connection

Show Full Description Hide Full Description

Airgas Part #:RAD64003918

Change Package Size

RAD64003911

RADNOR™ 44 1/4" - 1/4" ID" Brass Hose Splicer

RADNOR™ 44 1/4" - 1/4" ID" Brass Hose Splicer

Show Full Description Hide Full Description

Compare

RADNOR™ 44 1/4" - 1/4" ID" Brass Hose Splicer

RADNOR™ 44 1/4" - 1/4" ID" Brass Hose Splicer

RADNOR™ 44 1/4" - 1/4" ID" Brass Hose Splicer

Show Full Description Hide Full Description

Airgas Part #:RAD64003911

Change Package Size

WESQDB34

Western 5/8" - 18 RH Brass Inert Gases Quick Disconnect Set

Western 5/8" - 18 RH Brass Inert Gases Quick Disconnect Set

Show Full Description Hide Full Description

Compare

Western 5/8" - 18 RH Brass Inert Gases Quick Disconnect Set

Western 5/8" - 18 RH Brass Inert Gases Quick Disconnect Set

Western 5/8" - 18 RH Brass Inert Gases Quick Disconnect Set

Show Full Description Hide Full Description

Airgas Part #:WESQDB34

Change Package Size

RAD64003917

RADNOR™ 111 9/16" - 18 UNF B RH Brass Oxygen Y Connection

RADNOR™ 111 9/16" - 18 UNF B RH Brass Oxygen Y Connection

Show Full Description Hide Full Description

Compare

RADNOR™ 111 9/16" - 18 UNF B RH Brass Oxygen Y Connection

RADNOR™ 111 9/16" - 18 UNF B RH Brass Oxygen Y Connection

RADNOR™ 111 9/16" - 18 UNF B RH Brass Oxygen Y Connection

Show Full Description Hide Full Description

Airgas Part #:RAD64003917

Change Package Size

RAD64003940

RADNOR™ CO-6 CGA-320 PTFE Carbon Dioxide Washer

RADNOR™ CO-6 CGA-320 PTFE Carbon Dioxide Washer

Show Full Description Hide Full Description

Compare

RADNOR™ CO-6 CGA-320 PTFE Carbon Dioxide Washer

RADNOR™ CO-6 CGA-320 PTFE Carbon Dioxide Washer

RADNOR™ CO-6 CGA-320 PTFE Carbon Dioxide Washer

Show Full Description Hide Full Description

Airgas Part #:RAD64003940

Change Package Size

RAD64003962

RADNOR™ WD2105 9/16" - 18 B" Brass Fuel Gas/Oxygen Hose Coupler

RADNOR™ WD2105 9/16" - 18 B" Brass Fuel Gas/Oxygen Hose Coupler

Show Full Description Hide Full Description

Compare

RADNOR™ WD2105 9/16" - 18 B" Brass Fuel Gas/Oxygen Hose Coupler

RADNOR™ WD2105 9/16" - 18 B" Brass Fuel Gas/Oxygen Hose Coupler

RADNOR™ WD2105 9/16" - 18 B" Brass Fuel Gas/Oxygen Hose Coupler

Show Full Description Hide Full Description

Airgas Part #:RAD64003962

Change Package Size

Y99TP4A660-AG

Airgas® Stainless Steel Analytical Tee-Purge Assembly, CGA-660

Airgas® Stainless Steel Analytical Tee-Purge Assembly, CGA-660

Show Full Description Hide Full Description

Compare

Airgas® Stainless Steel Analytical Tee-Purge Assembly, CGA-660

Airgas® Stainless Steel Analytical Tee-Purge Assembly, CGA-660

Airgas® Stainless Steel Analytical Tee-Purge Assembly, CGA-660

Show Full Description Hide Full Description

Airgas Part #:Y99TP4A660-AG

RAD64003900

RADNOR™ 7 9/16" - 18 UNF B RH Brass Oxygen Hose Nut

RADNOR™ 7 9/16" - 18 UNF B RH Brass Oxygen Hose Nut

Show Full Description Hide Full Description

Compare

RADNOR™ 7 9/16" - 18 UNF B RH Brass Oxygen Hose Nut

RADNOR™ 7 9/16" - 18 UNF B RH Brass Oxygen Hose Nut

RADNOR™ 7 9/16" - 18 UNF B RH Brass Oxygen Hose Nut

Show Full Description Hide Full Description

Airgas Part #:RAD64003900

Change Package Size

WESQDB33

Western 5/8" - 18 RH Brass Inert Gases Quick Disconnect Set

Western 5/8" - 18 RH Brass Inert Gases Quick Disconnect Set

Show Full Description Hide Full Description

Compare

Western 5/8" - 18 RH Brass Inert Gases Quick Disconnect Set

Western 5/8" - 18 RH Brass Inert Gases Quick Disconnect Set

Western 5/8" - 18 RH Brass Inert Gases Quick Disconnect Set

Show Full Description Hide Full Description

Airgas Part #:WESQDB33

Change Package Size

RAD64003904

RADNOR™ 17 1-15/32" Long - 1/4" ID" Brass Fuel Gas/Oxygen Hose Nipple

RADNOR™ 17 1-15/32" Long - 1/4" ID" Brass Fuel Gas/Oxygen Hose Nipple

Show Full Description Hide Full Description

Compare

RADNOR™ 17 1-15/32" Long - 1/4" ID" Brass Fuel Gas/Oxygen Hose Nipple

RADNOR™ 17 1-15/32" Long - 1/4" ID" Brass Fuel Gas/Oxygen Hose Nipple

RADNOR™ 17 1-15/32" Long - 1/4" ID" Brass Fuel Gas/Oxygen Hose Nipple

Show Full Description Hide Full Description

Airgas Part #:RAD64003904

Change Package Size

RAD64003944

RADNOR™ QDB20 9/16" - 18 UNF B" Brass Fuel Gas/Oxygen Quick Connect Set

RADNOR™ QDB20 9/16" - 18 UNF B" Brass Fuel Gas/Oxygen Quick Connect Set

Show Full Description Hide Full Description

Compare

RADNOR™ QDB20 9/16" - 18 UNF B" Brass Fuel Gas/Oxygen Quick Connect Set

RADNOR™ QDB20 9/16" - 18 UNF B" Brass Fuel Gas/Oxygen Quick Connect Set

RADNOR™ QDB20 9/16" - 18 UNF B" Brass Fuel Gas/Oxygen Quick Connect Set

Show Full Description Hide Full Description

Airgas Part #:RAD64003944

Change Package Size

Y99TP1A580-AG

Airgas® Brass Analytical Tee-Purge Assembly, CGA-580

Airgas® Brass Analytical Tee-Purge Assembly, CGA-580

Show Full Description Hide Full Description

Compare

Airgas® Brass Analytical Tee-Purge Assembly, CGA-580

Airgas® Brass Analytical Tee-Purge Assembly, CGA-580

Airgas® Brass Analytical Tee-Purge Assembly, CGA-580

Show Full Description Hide Full Description

Airgas Part #:Y99TP1A580-AG

‹ PREV
1
2
3
4
5
...33
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.

Customer Service
Airgas response to COVID-19▶

© 2025 Airgas, Inc. All Rights Reserved. |Privacy Statement ||Terms & Conditions ||Terms of Sale ||Do Not Sell/Share My Personal Information |

337A11EAD15D6439ED2CCB4524EE0F6D