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

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 (397)

RADNOR™ (100)

Victor Equipment (45)

Miller Electric Manufacturing (32)

Harris Calorific (8)

Koike Aronson Inc (1)

Lincoln Electric Co (1)

Product Type
Choose a refinement:

Quick Connect (35)

Hose Adapter (29)

Hose Nipple (29)

Nut (26)

Adapter (24)

Coupler Tee (19)

Hose Ferrule (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)

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)

Cartridge Valve (4)

Hose Nut/Nipple (4)

Quick Connect Y-Coupler (4)

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
Choose a refinement:

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 Female (6)

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

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)

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 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)

.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
Choose a refinement:

Oxygen (150)

Fuel Gas (42)

Nitrogen (32)

Medical Air (30)

Acetylene (27)

Carbon Dioxide (25)

Air (24)

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)

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 (346)

Stainless Steel (28)

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:

WES832

Western CGA-540 X CGA-346 Brass Cylinder To Regulator Adapter

Western CGA-540 X CGA-346 Brass Cylinder To Regulator Adapter

Show Full Description Hide Full Description

Compare

Western CGA-540 X CGA-346 Brass Cylinder To Regulator Adapter

Western CGA-540 X CGA-346 Brass Cylinder To Regulator Adapter

Western CGA-540 X CGA-346 Brass Cylinder To Regulator Adapter

Show Full Description Hide Full Description

Airgas Part #:WES832

WES872

Western CGA-500 X CGA-540 Brass Cylinder To Regulator Adapter

Western CGA-500 X CGA-540 Brass Cylinder To Regulator Adapter

Show Full Description Hide Full Description

Compare

Western CGA-500 X CGA-540 Brass Cylinder To Regulator Adapter

Western CGA-500 X CGA-540 Brass Cylinder To Regulator Adapter

Western CGA-500 X CGA-540 Brass Cylinder To Regulator Adapter

Show Full Description Hide Full Description

Airgas Part #:WES872

WES874

Western CGA-500 X CGA-590 Brass Cylinder To Regulator Adapter

Western CGA-500 X CGA-590 Brass Cylinder To Regulator Adapter

Show Full Description Hide Full Description

Compare

Western CGA-500 X CGA-590 Brass Cylinder To Regulator Adapter

Western CGA-500 X CGA-590 Brass Cylinder To Regulator Adapter

Western CGA-500 X CGA-590 Brass Cylinder To Regulator Adapter

Show Full Description Hide Full Description

Airgas Part #:WES874

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

WESM16-75C

Western DISS Handtight Nut X Nipple 50 psi Medical Air Demand Valve Dual Outlet Y Hose Coupler (Canadian Color Coding)

Western DISS Handtight Nut X Nipple 50 psi Medical Air Demand Valve Dual Outlet Y Hose Coupler (Canadian Color Coding)

Show Full Description Hide Full Description

Compare

Western DISS Handtight Nut X Nipple 50 psi Medical Air Demand Valve Dual Outlet Y Hose Coupler (Canadian Color Coding)

Western DISS Handtight Nut X Nipple 50 psi Medical Air Demand Valve Dual Outlet Y Hose Coupler (Canadian Color Coding)

Western DISS Handtight Nut X Nipple 50 psi Medical Air Demand Valve Dual Outlet Y Hose Coupler (Canadian Color Coding)

Show Full Description Hide Full Description

Airgas Part #:WESM16-75C

WESM12-7

Western DISS 1120 3/4" - 16 UNF X 1/4 " Chrome Plated Brass 200 psig Adapter

Western DISS 1120 3/4" - 16 UNF X 1/4 " Chrome Plated Brass 200 psig Adapter

Show Full Description Hide Full Description

Compare

Western DISS 1120 3/4" - 16 UNF X 1/4 " Chrome Plated Brass 200 psig Adapter

Western DISS 1120 3/4" - 16 UNF X 1/4 " Chrome Plated Brass 200 psig Adapter

Western DISS 1120 3/4" - 16 UNF X 1/4 " Chrome Plated Brass 200 psig Adapter

Show Full Description Hide Full Description

Airgas Part #:WESM12-7

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

WESMQ302

Western 1/8" NPT Male 50 psi Oxequip® Male Quick Connect

Western 1/8" NPT Male 50 psi Oxequip® Male Quick Connect

Show Full Description Hide Full Description

Compare

Western 1/8" NPT Male 50 psi Oxequip® Male Quick Connect

Western 1/8" NPT Male 50 psi Oxequip® Male Quick Connect

Western 1/8" NPT Male 50 psi Oxequip® Male Quick Connect

Show Full Description Hide Full Description

Airgas Part #:WESMQ302

WESMQ404

Western 1/8" NPT Male 50 psi Suction Puritan® Male Quick Connect

Western 1/8" NPT Male 50 psi Suction Puritan® Male Quick Connect

Show Full Description Hide Full Description

Compare

Western 1/8" NPT Male 50 psi Suction Puritan® Male Quick Connect

Western 1/8" NPT Male 50 psi Suction Puritan® Male Quick Connect

Western 1/8" NPT Male 50 psi Suction Puritan® Male Quick Connect

Show Full Description Hide Full Description

Airgas Part #:WESMQ404

WESOR202-4

Western 1/8" NPT Male 50 psi Medical Air Ohmeda® Female Quick Connect

Western 1/8" NPT Male 50 psi Medical Air Ohmeda® Female Quick Connect

Show Full Description Hide Full Description

Compare

Western 1/8" NPT Male 50 psi Medical Air Ohmeda® Female Quick Connect

Western 1/8" NPT Male 50 psi Medical Air Ohmeda® Female Quick Connect

Western 1/8" NPT Male 50 psi Medical Air Ohmeda® Female Quick Connect

Show Full Description Hide Full Description

Airgas Part #:WESOR202-4

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

WESCVF-4MSSV

Western 1/4" NPT Female Inlet X Male Outlet Stainless Steel 6000 psig Heavy Duty Inline Check Valve (For High Pressure Pigtail Assemblies)

Western 1/4" NPT Female Inlet X Male Outlet Stainless Steel 6000 psig Heavy Duty Inline Check Valve (For High Pressure Pigtail Assemblies)

Show Full Description Hide Full Description

Compare

Western 1/4" NPT Female Inlet X Male Outlet Stainless Steel 6000 psig Heavy Duty Inline Check Valve (For High Pressure Pigtail Assemblies)

Western 1/4" NPT Female Inlet X Male Outlet Stainless Steel 6000 psig Heavy Duty Inline Check Valve (For High Pressure Pigtail Assemblies)

Western 1/4" NPT Female Inlet X Male Outlet Stainless Steel 6000 psig Heavy Duty Inline Check Valve (For High Pressure Pigtail Assemblies)

Show Full Description Hide Full Description

Airgas Part #:WESCVF-4MSSV

MIL16173

Miller® Brass Oxygen Nut

Miller® Brass Oxygen Nut

Show Full Description Hide Full Description

Compare

Miller® Brass Oxygen Nut

Miller® Brass Oxygen Nut

Miller® Brass Oxygen Nut

Show Full Description Hide Full Description

Airgas Part #:MIL16173

MIL16174

Miller® B Brass Nut

Miller® B Brass Nut

Show Full Description Hide Full Description

Compare

Miller® B Brass Nut

Miller® B Brass Nut

Miller® B Brass Nut

Show Full Description Hide Full Description

Airgas Part #:MIL16174

VIC0968-0003

Victor® Brass Nut, CGA300

Victor® Brass Nut, CGA300

Show Full Description Hide Full Description

Compare

Victor® Brass Nut, CGA300

Victor® Brass Nut, CGA300

Victor® Brass Nut, CGA300

Show Full Description Hide Full Description

Airgas Part #:VIC0968-0003

WESM02-5

Western® 1/4" NPT Male DISS1020A 3/4" - 16 UNF Chrome Plated Brass 200 psi Body Adapter

Western® 1/4" NPT Male DISS1020A 3/4" - 16 UNF Chrome Plated Brass 200 psi Body Adapter

Show Full Description Hide Full Description

Compare

Western® 1/4" NPT Male DISS1020A 3/4" - 16 UNF Chrome Plated Brass 200 psi Body Adapter

Western® 1/4" NPT Male DISS1020A 3/4" - 16 UNF Chrome Plated Brass 200 psi Body Adapter

Western® 1/4" NPT Male DISS1020A 3/4" - 16 UNF Chrome Plated Brass 200 psi Body Adapter

Show Full Description Hide Full Description

Airgas Part #:WESM02-5

WESM04-2P

Western® 7/8" DISS1040A 3/4" - 16 UNF Chrome Plated Brass 200 psi Hand-Tight Hex Nut With Blue Plastic Collar

Western® 7/8" DISS1040A 3/4" - 16 UNF Chrome Plated Brass 200 psi Hand-Tight Hex Nut With Blue Plastic Collar

Show Full Description Hide Full Description

Compare

Western® 7/8" DISS1040A 3/4" - 16 UNF Chrome Plated Brass 200 psi Hand-Tight Hex Nut With Blue Plastic Collar

Western® 7/8" DISS1040A 3/4" - 16 UNF Chrome Plated Brass 200 psi Hand-Tight Hex Nut With Blue Plastic Collar

Western® 7/8" DISS1040A 3/4" - 16 UNF Chrome Plated Brass 200 psi Hand-Tight Hex Nut With Blue Plastic Collar

Show Full Description Hide Full Description

Airgas Part #:WESM04-2P

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

Western 1/8" NPT Female 50 psi Chemetron® Quick Connect

Western 1/8" NPT Female 50 psi Chemetron® Quick Connect

Show Full Description Hide Full Description

Compare

Western 1/8" NPT Female 50 psi Chemetron® Quick Connect

Western 1/8" NPT Female 50 psi Chemetron® Quick Connect

Western 1/8" NPT Female 50 psi Chemetron® Quick Connect

Show Full Description Hide Full Description

Airgas Part #:WESOR101

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

‹ 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.

Customer Service
Airgas response to COVID-19▶

© 2026 Airgas, Inc. All Rights Reserved. |Privacy Statement ||Terms & Conditions ||Terms of Sale ||Do Not Sell/Share My Personal Information |

CDBF4274DE049F1EEC98F04C2EF8C0D7

CDBF4274DE049F1EEC98F04C2EF8C0D7