DOT Air Brake Push to Connect Union, Brass, 1/2 x 1/2", Tube x Tube
(Pack of 2)

SKU:57501 Item#: 57501

Lawson

Simplify your air braking system with the Push-to-Connect Union Brass fitting, engineered for quick and secure connections without the need for tools. Made from durable CA360 brass and equipped with an ethylene propylene O-ring, this air brake connector offers reliable performance under pressure ranges from vacuum to 150 PSI and temperatures from –40°F to +250°F. D.O.T. approved for heavy-duty applications, it's a trusted choice for commercial trucks and buses. Whether you're an auto technician, mechanic, or truck driver, this brass fitting is reusable, easy to assemble, and compatible with nylon tubing—perfect for keeping your air brake lines running smoothly.
"• Quick and easy assembly; reusable
• Construction: CA360 brass with ethylene propylene O-ring
• Pressure range vacuum to 150 PSI
• Temperature range: –40°F to +250°F (–40°C to +121°C)
• D.O.T. Approved for Air Brake Applications
• Use with nylon tubing"

Read More

Frequently Bought Together

DV_ZoomOriginal_P_10020.jpg

DOT Elbow Male 90° Brass 3/8 x 3/8-18

Item#: 57512
DV_ZoomOriginal_P_10029.jpg

DOT Swivel Elbow Male 90° Brass 1/2 x 1/2-14

Item#: 28981
DV_ZoomOriginal_P_10022.jpg

DOT Union Brass 5/8 x 5/8"

Item#: 27177
DV_ZoomOriginal_I_28651.jpg

Jackpot Cherry Hand Cleaner with Pumice 1gal

Item#: 28651
DV_ZoomOriginal_I_99996.jpg

Tru-Shrink Heat Shrink Tubing 8 to 1 AWG Black

Item#: 86503
DV_ZoomOriginal_I_85487_WB.jpg

Cable Tie 14.19" Black

Item#: 85489M01
DV_ZoomOriginal_I_91788.jpg

DOT Connector Male Brass 3/8 x 1/4-18

Item#: 91788
DV_ZoomOriginal_I_91822.jpg

DOT Union Tee Nylon 1/4 x 1/4 x 1/4"

Item#: 91822
DV_ZoomOriginal_P_10023.jpg

DOT Union Tee Brass 1/4 x 1/4 x 1/4"

Item#: 57502
DV_ZoomOriginal_P_5102.jpg

Super 77 Miniature Hose Clamp SS 5/16 to 7/8"

Item#: 86328
DV_ZoomOriginal_I_91786.jpg

DOT Connector Male Brass 1/4 x 1/4-18

Item#: 91786
DV_ZoomOriginal_P_5234.jpg

DOT Compression Union Brass 1/4"

Item#: 84253
DV_ZoomOriginal_P_10018.jpg

DOT Connector Male Brass 3/8 x 1/4-18

Item#: 57506
DV_ZoomOriginal_P_1361.jpg

Hose Clamp 301 SS 3/4 to 1-3/4"

Item#: 86728
DV_ZoomOriginal_I_6202.jpg

Ball Check Grease Fitting Straight

Item#: 6202
DV_ZoomOriginal_P_33479.jpg

Locknut with Nylon Insert Grade 8 5/16-18

Item#: 53980
DV_ZoomOriginal_I_88436.jpg

SAE Flat Washer Thru-Hardened Steel 5/16"

Item#: 88436
DV_ZoomOriginal_I_94728_WB.jpg

Superbutt Connector 16 to 14 AWG Blue

Item#: 94728
DV_ZoomOriginal_P_5608.jpg

Forged Body Ball Valve Brass 2 x 2"

Item#: 63141
DV_ZoomOriginal_I_SF11060.jpg

Nemesis Safety Glasses

Item#: SF11060
DV_ZoomOriginal_I_54543.jpg

Quick Disconnect Coupler Brass 3/8" x 3/8-18

Item#: 54543
DV_ZoomOriginal_I_95706.jpg

MINI Fuse 30A Green

Item#: 95706
DV_ZoomOriginal_I_83027.jpg

ATO/ATC Fuse 10A Red

Item#: 83027
DV_ZoomOriginal_I_86061_WB.jpg

Female Quick Slide Terminal 16 to 14 AWG Blue

Item#: 81114
DV_ZoomOriginal_P_1285_GP1.jpg

Connector Housing 20A 2-Wire Tower

Item#: 96898
DV_ZoomOriginal_I_11915.jpg

Quick Disconnect Plug Steel 1/4" x 1/4-18

Item#: 11915
DV_ZoomOriginal_I_6200.jpg

Ball Check Grease Fitting Straight

Item#: 6200

Product Description

Simplify your air braking system with the Push-to-Connect Union Brass fitting, engineered for quick and secure connections without the need for tools. Made from durable CA360 brass and equipped with an ethylene propylene O-ring, this air brake connector offers reliable performance under pressure ranges from vacuum to 150 PSI and temperatures from –40°F to +250°F. D.O.T. approved for heavy-duty applications, it's a trusted choice for commercial trucks and buses. Whether you're an auto technician, mechanic, or truck driver, this brass fitting is reusable, easy to assemble, and compatible with nylon tubing—perfect for keeping your air brake lines running smoothly.
"• Quick and easy assembly; reusable
• Construction: CA360 brass with ethylene propylene O-ring
• Pressure range vacuum to 150 PSI
• Temperature range: –40°F to +250°F (–40°C to +121°C)
• D.O.T. Approved for Air Brake Applications
• Use with nylon tubing"

Technical Specifications

Item#: 57501
Fitting Type Air Brake Fittings - Push-to-Connect
Material Brass
Configuration Union
Connection Type A x B Tube x Tube
Fitting Dimension A 1/2 "
Fitting Dimension B 1/2 "
UNSPSC #: 25171700
TAA Compliant: No
Weight: 0.24 lb

Product Restrictions

Your Recently Viewed Items