Home Hydraulics Fleet Fittings Air Brake Push-to-Connect DOT Union Brass 1/2 x 1/2"
Air Brake Push-to-Connect
DOT Union Brass 3/8 x 3/8
DOT Union Brass 3/8 x 3/8

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

Item#: 57501

Lawson

• 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
Check Availability

California Proposition 65: WARNING: Cancer and Reproductive Harm -
www.P65Warnings.ca.gov

Frequently Bought Together

DOT Swivel Elbow Male 90° Brass 3/8 x 1/2-14, DOT Air Brake Push to Connect Swivel Elbow, 90°, Male, Brass, 3/8 x 1/2-14

DOT Swivel Elbow Male 360° Brass 3/8 x 1/4-18

Item#: 27205
DOT Elbow Male Nylon 3/8 x 1/4-18, DOT Air Brake Push to Connect Elbow, Male, Nylon, 3/8 x 1/4-18, Tube x Pipe

DOT Elbow Male Nylon 3/8 x 1/4-18

Item#: 91797
DOT Elbow Male Nylon 1/4 x 1/8-27, DOT Air Brake Push to Connect Elbow, Male, Nylon, 1/4 x 1/8-27, Tube x Pipe

DOT Elbow Male Nylon 1/4 x 1/8-27

Item#: 91794
Nylon Cable Tie 15.25

Nylon Cable Tie 4" Black

Item#: 94609
Stepdown Butt Connector 22 to 18/16 to 14 AWG, Stepdown Butt Connector, Crystal Clear Insulation, 22 to 18/16 to 14 AWG

Stepdown Butt Connector 22 to 18/16 to 14 AWG

Item#: 1495188
Butt Connector 22 to 18 AWG Red, Butt Connector, 2-Piece Heat Seal, Red, 22 to 18 AWG, 1.45

Butt Connector 22 to 18 AWG Red

Item#: 92822
Ball Check Grease Fitting Straight, Ball Check Grease Fitting, Straight, Hardened Steel, 1/4-28 Tapered Thread, 1/2

Ball Check Grease Fitting Straight

Item#: 6202
DOT Connector Male Brass 3/8 x 3/8-18, DOT Air Brake Push to Connect Connector, Male, Brass, 3/8 x 3/8-18, Tube x Pipe

DOT Connector Male Brass 1/4 x 1/8-27

Item#: 57504
DOT Connector Male Brass 3/8 x 3/8-18, DOT Air Brake Push to Connect Connector, Male, Brass, 3/8 x 3/8-18, Tube x Pipe

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

Item#: 57505
DOT Connector Male Brass 3/8 x 3/8-18, DOT Air Brake Push to Connect Connector, Male, Brass, 3/8 x 3/8-18, Tube x Pipe

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

Item#: 57506
Hose Clamp 304 SS 2-13/16 to 3-3/4

Hose Clamp 304 SS 9/16 to 1-1/4"

Item#: 86726
DOT Union Nylon 3/8 x 3/8

DOT Union Nylon 3/8 x 3/8"

Item#: 91820
Ball Check Grease Fitting Straight, Ball Check Grease Fitting, Straight, Hardened Steel, 1/8

Ball Check Grease Fitting Straight

Item#: 6200
Pipe Bushing Brass 1/2-14 x 1/8-27, Pipe Bushing, Brass, 1/2-14 x 1/8-27, Male NPT x Female NPT, 1200PSI

Pipe Bushing Brass 3/8-18 x 1/4-18

Item#: 5284
Hex Head Plug Brass 1/2-14 Male NPT, Hex Head Plug, Brass, 1/2-14 Male NPT, 1200PSI

Hex Head Plug Brass 3/8-18 Male NPT

Item#: 5364
Butt Connector 16 to 14 AWG Blue, Butt Connector, 2-Piece Heat Seal, Polyolefin Insulated, 16 to 14 AWG, 1.45

Butt Connector 16 to 14 AWG Blue

Item#: 92823
USS Flat Washer Thru-Hardened Steel 7/8

USS Flat Washer Thru-Hardened Steel 3/8"

Item#: 88447
Nylon Cable Tie 15.25

Nylon Cable Tie 4" Black

Item#: 94609
Universal Sorbent Pad, Gray, 16

Universal Sorbent Pad

Item#: SF11602
DOT Elbow Male Nylon 3/8 x 1/4-18, DOT Air Brake Push to Connect Elbow, Male, Nylon, 3/8 x 1/4-18, Tube x Pipe

DOT Elbow Male Nylon 3/8 x 1/4-18

Item#: 91797
DOT Elbow Male Nylon 1/4 x 1/8-27, DOT Air Brake Push to Connect Elbow, Male, Nylon, 1/4 x 1/8-27, Tube x Pipe

DOT Elbow Male Nylon 1/4 x 1/8-27

Item#: 91794

Product Description

• 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

California Proposition 65: WARNING: Cancer and Reproductive Harm -
www.P65Warnings.ca.gov

Suggested Products

DOT Union Brass 3/8 x 3/8

DOT Union Brass 1/4 x 1/4"

Item#: 57499
DOT Union Nylon 1/4 x 1/4

DOT Union Nylon 1/4 x 1/4"

Item#: 91819
DOT Union Brass 3/8 x 3/8

DOT Union Brass 3/8 x 3/8"

Item#: 57500
DOT Connector Male Brass 3/8 x 3/8-18, DOT Air Brake Push to Connect Connector, Male, Brass, 3/8 x 3/8-18, Tube x Pipe

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

Item#: 57506
DOT Union Nylon 3/8 x 3/8

DOT Union Nylon 3/8 x 3/8"

Item#: 91820
DOT Connector Male Brass 3/8 x 3/8-18, DOT Air Brake Push to Connect Connector, Male, Brass, 3/8 x 3/8-18, Tube x Pipe

DOT Connector Male Brass 1/4 x 1/8-27

Item#: 57504
DOT Connector Male Brass 3/8 x 3/8-18, DOT Air Brake Push to Connect Connector, Male, Brass, 3/8 x 3/8-18, Tube x Pipe

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

Item#: 57505
DOT Swivel Elbow Male 90° Brass 3/8 x 1/2-14, DOT Air Brake Push to Connect Swivel Elbow, 90°, Male, Brass, 3/8 x 1/2-14

DOT Swivel Elbow Male 360° Brass 3/8 x 1/4-18

Item#: 27205
DOT Elbow Male Nylon 3/8 x 1/4-18, DOT Air Brake Push to Connect Elbow, Male, Nylon, 3/8 x 1/4-18, Tube x Pipe

DOT Elbow Male Nylon 3/8 x 1/4-18

Item#: 91797
DOT Elbow Male Nylon 1/4 x 1/8-27, DOT Air Brake Push to Connect Elbow, Male, Nylon, 1/4 x 1/8-27, Tube x Pipe

DOT Elbow Male Nylon 1/4 x 1/8-27

Item#: 91794
DOT Connector Male Brass 1/4 x 1/8-27, DOT Air Brake Push to Connect Connector, Male, Brass, 1/4 x 1/8-27, Tube x Pipe

DOT Connector Male Brass 1/4 x 1/8-27

Item#: 91785
DOT Elbow Male Nylon 1/4 x 1/4-18, DOT Air Brake Push to Connect Elbow, Male, Nylon, 1/4 x 1/4-18, Tube x Pipe

DOT Elbow Male Nylon 1/4 x 1/4-18

Item#: 91795

Your Recently Viewed Items