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}

By Manufacturer
Choose a refinement:

Airgas (53)

Western Enterprises (393)

RADNOR™ (100)

Victor Equipment (45)

Miller Electric Manufacturing (32)

Harris Calorific (8)

ESAB (1)

Koike Aronson Inc (1)

Lincoln Electric Co (1)

Product Type
Choose a refinement:

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
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)

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" NPT Male X 3" 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
Choose a refinement:

Oxygen (149)

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
Choose a refinement:

Brass (343)

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:

WES701-4SF

Western 1/4" NPT Male X 3" Brass Regulator Nipple, CGA-701 (For Pressures Up To 5500 psig)

Western 1/4" NPT Male X 3" Brass Regulator Nipple, CGA-701 (For Pressures Up To 5500 psig)

Show Full Description Hide Full Description

Compare

Western 1/4" NPT Male X 3" Brass Regulator Nipple, CGA-701 (For Pressures Up To 5500 psig)

Western 1/4" NPT Male X 3" Brass Regulator Nipple, CGA-701 (For Pressures Up To 5500 psig)

Western 1/4" NPT Male X 3" Brass Regulator Nipple, CGA-701 (For Pressures Up To 5500 psig)

Show Full Description Hide Full Description

Airgas Part #:WES701-4SF

Y99480043-AG

Airgas® 1/4" Male NPT X 1/4" TOD Stainless Steel Adapter

Airgas® 1/4" Male NPT X 1/4" TOD Stainless Steel Adapter

Show Full Description Hide Full Description

Compare

Airgas® 1/4" Male NPT X 1/4" TOD Stainless Steel Adapter

Airgas® 1/4" Male NPT X 1/4" TOD Stainless Steel Adapter

Airgas® 1/4" Male NPT X 1/4" TOD Stainless Steel Adapter

Show Full Description Hide Full Description

Airgas Part #:Y99480043-AG

WESWHF-3-32

Western 1/2" NPT Outlet X 1" - 11 1/2 NPS Female LH Inlet 2.187" L Brass 3000 psig Manifold Union Adapter

Western 1/2" NPT Outlet X 1" - 11 1/2 NPS Female LH Inlet 2.187" L Brass 3000 psig Manifold Union Adapter

Show Full Description Hide Full Description

Compare

Western 1/2" NPT Outlet X 1" - 11 1/2 NPS Female LH Inlet 2.187" L Brass 3000 psig Manifold Union Adapter

Western 1/2" NPT Outlet X 1" - 11 1/2 NPS Female LH Inlet 2.187" L Brass 3000 psig Manifold Union Adapter

Western 1/2" NPT Outlet X 1" - 11 1/2 NPS Female LH Inlet 2.187" L Brass 3000 psig Manifold Union Adapter

Show Full Description Hide Full Description

Airgas Part #:WESWHF-3-32

WESWHF-3-37

Western® 3/8" NPT Outlet X 1" - 11 1/2" NPS RH Inlet 3.125" L 3000 psig Manifold Union Adapter

Western® 3/8" NPT Outlet X 1" - 11 1/2" NPS RH Inlet 3.125" L 3000 psig Manifold Union Adapter

Show Full Description Hide Full Description

Compare

Western® 3/8" NPT Outlet X 1" - 11 1/2" NPS RH Inlet 3.125" L 3000 psig Manifold Union Adapter

Western® 3/8" NPT Outlet X 1" - 11 1/2" NPS RH Inlet 3.125" L 3000 psig Manifold Union Adapter

Western® 3/8" NPT Outlet X 1" - 11 1/2" NPS RH Inlet 3.125" L 3000 psig Manifold Union Adapter

Show Full Description Hide Full Description

Airgas Part #:WESWHF-3-37

WEST-72

Western CGA-555 Female LH Brass 3000 psig Manifold Coupler Tee With Without Check Valve

Western CGA-555 Female LH Brass 3000 psig Manifold Coupler Tee With Without Check Valve

Show Full Description Hide Full Description

Compare

Western CGA-555 Female LH Brass 3000 psig Manifold Coupler Tee With Without Check Valve

Western CGA-555 Female LH Brass 3000 psig Manifold Coupler Tee With Without Check Valve

Western CGA-555 Female LH Brass 3000 psig Manifold Coupler Tee With Without Check Valve

Show Full Description Hide Full Description

Airgas Part #:WEST-72

WESOR201-6

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

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

Show Full Description Hide Full Description

Compare

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

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

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

Show Full Description Hide Full Description

Airgas Part #:WESOR201-6

MILE99-330C43

Miller® 3 1/2" Stainless Steel Nipple

Miller® 3 1/2" Stainless Steel Nipple

Show Full Description Hide Full Description

Compare

Miller® 3 1/2" Stainless Steel Nipple

Miller® 3 1/2" Stainless Steel Nipple

Miller® 3 1/2" Stainless Steel Nipple

Show Full Description Hide Full Description

Airgas Part #:MILE99-330C43

MIL7582

Miller® 3/8" Brass Hose Ferrule

Miller® 3/8" Brass Hose Ferrule

Show Full Description Hide Full Description

Compare

Miller® 3/8" Brass Hose Ferrule

Miller® 3/8" Brass Hose Ferrule

Miller® 3/8" Brass Hose Ferrule

Show Full Description Hide Full Description

Airgas Part #:MIL7582

MIL272186

Miller® 1.48" Steel Nut

Miller® 1.48" Steel Nut

Show Full Description Hide Full Description

Compare

Miller® 1.48" Steel Nut

Miller® 1.48" Steel Nut

Miller® 1.48" Steel Nut

Show Full Description Hide Full Description

Airgas Part #:MIL272186

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

WESWHF-3-3

Western 1/2" NPT Male X 4" L X 0.196" Thickness Brass Alloy 360 3000 psig Pipe Nipple

Western 1/2" NPT Male X 4" L X 0.196" Thickness Brass Alloy 360 3000 psig Pipe Nipple

Show Full Description Hide Full Description

Compare

Western 1/2" NPT Male X 4" L X 0.196" Thickness Brass Alloy 360 3000 psig Pipe Nipple

Western 1/2" NPT Male X 4" L X 0.196" Thickness Brass Alloy 360 3000 psig Pipe Nipple

Western 1/2" NPT Male X 4" L X 0.196" Thickness Brass Alloy 360 3000 psig Pipe Nipple

Show Full Description Hide Full Description

Airgas Part #:WESWHF-3-3

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

WESM00-71

Western® 1/4" NPT Female Inlet X 1/4" NPT Female Outlet DISS1240 9/16" - 18 UNF Anodized Aluminum 200 psi Y Connector

Western® 1/4" NPT Female Inlet X 1/4" NPT Female Outlet DISS1240 9/16" - 18 UNF Anodized Aluminum 200 psi Y Connector

Show Full Description Hide Full Description

Compare

Western® 1/4" NPT Female Inlet X 1/4" NPT Female Outlet DISS1240 9/16" - 18 UNF Anodized Aluminum 200 psi Y Connector

Western® 1/4" NPT Female Inlet X 1/4" NPT Female Outlet DISS1240 9/16" - 18 UNF Anodized Aluminum 200 psi Y Connector

Western® 1/4" NPT Female Inlet X 1/4" NPT Female Outlet DISS1240 9/16" - 18 UNF Anodized Aluminum 200 psi Y Connector

Show Full Description Hide Full Description

Airgas Part #:WESM00-71

MILE99-330C44

Miller® CGA-330 Stainless Steel Nut

Miller® CGA-330 Stainless Steel Nut

Show Full Description Hide Full Description

Compare

Miller® CGA-330 Stainless Steel Nut

Miller® CGA-330 Stainless Steel Nut

Miller® CGA-330 Stainless Steel Nut

Show Full Description Hide Full Description

Airgas Part #:MILE99-330C44

WEST-93

Western CGA-590 Male LH Brass 3000 psig Manifold Coupler Tee With Without Check Valve

Western CGA-590 Male LH Brass 3000 psig Manifold Coupler Tee With Without Check Valve

Show Full Description Hide Full Description

Compare

Western CGA-590 Male LH Brass 3000 psig Manifold Coupler Tee With Without Check Valve

Western CGA-590 Male LH Brass 3000 psig Manifold Coupler Tee With Without Check Valve

Western CGA-590 Male LH Brass 3000 psig Manifold Coupler Tee With Without Check Valve

Show Full Description Hide Full Description

Airgas Part #:WEST-93

WESOR203-1

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

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

Show Full Description Hide Full Description

Compare

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

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

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

Show Full Description Hide Full Description

Airgas Part #:WESOR203-1

MIL14990

Miller® 3/4" Brass Straight Outlet Adapter

Miller® 3/4" Brass Straight Outlet Adapter

Show Full Description Hide Full Description

Compare

Miller® 3/4" Brass Straight Outlet Adapter

Miller® 3/4" Brass Straight Outlet Adapter

Miller® 3/4" Brass Straight Outlet Adapter

Show Full Description Hide Full Description

Airgas Part #:MIL14990

WESCO-8

Western CGA-320 1/4" NPT LH X 2" L Brass 3000 psig Regulator Inlet Nipple

Western CGA-320 1/4" NPT LH X 2" L Brass 3000 psig Regulator Inlet Nipple

Show Full Description Hide Full Description

Compare

Western CGA-320 1/4" NPT LH X 2" L Brass 3000 psig Regulator Inlet Nipple

Western CGA-320 1/4" NPT LH X 2" L Brass 3000 psig Regulator Inlet Nipple

Western CGA-320 1/4" NPT LH X 2" L Brass 3000 psig Regulator Inlet Nipple

Show Full Description Hide Full Description

Airgas Part #:WESCO-8

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

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

‹ PREV
1..
14
15
16
17
18
...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 |

48262E24AFB896E721F6773161C25B0D

48262E24AFB896E721F6773161C25B0D