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![]() | Straight |
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Threaded |
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Push to Connect |
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For Tube Material For Tube Material |
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For Tube Hardness Rating For Tube Hardness Rating |
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For Tube Hardness For Tube Hardness |
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O-Ring Material O-Ring Material |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Release Ring Material Release Ring Material |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Minimum Temperature Minimum Temperature |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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Push-to-Connect Fittings for Plastic Tubing—Food and Beverage

- Temperature Range: 35° to 140° F
- Tubing: See table
- Specifications Met:
White Polypropylene: NSF/ANSI 51, NSF/ANSI 61
Black Polypropylene: FDA Compliant 21 CFR 176.170, NSF/ANSI 58, NSF/ANSI 372
Acetal: NSF/ANSI 51, NSF/ANSI 61
Also known as instant fittings, these connect to tubing with a push, and an internal gripping ring and O-ring hold the tubing tight. To disconnect fittings with a release ring, push on the release ring and pull the tubing out of the fitting.
Polypropylene fittings have excellent impact and abrasion resistance. They meet NSF/ANSI standards for safe use with food. Some are also FDA compliant for indirect contact with food.
Black fittings have excellent UV resistance and are suitable for outdoor environments.
Fittings with UNS threads are also known as faucet connectors; they attach directly to a faucet threaded inlet or water line.
For technical drawings and 3-D models, click on a part number.

For Tube OD | Thread Size | Material | Max. Pressure | For Tube Hardness Rating | For Tube Hardness | Release Ring Color | Each | |
White | ||||||||
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UNS Threads | ||||||||
1/4" | 7/16"-24 | Polypropylene Plastic | 150 psi @ 72° F | Hard | Durometer 50D-70D | White | 0000000 | 00000 |
3/8" | 7/16"-24 | Polypropylene Plastic | 150 psi @ 72° F | Hard | Durometer 50D-70D | White | 0000000 | 0000 |
Black | ||||||||
UNS Threads | ||||||||
1/4" | 7/16"-24 | Polypropylene Plastic | 150 psi @ 72° F | Hard | Durometer 50D-70D | Black | 00000000 | 0000 |
5/16" | 7/16"-24 | Polypropylene Plastic | 150 psi @ 72° F | Hard | Durometer 50D-70D | Black | 00000000 | 0000 |
Plastic Push-to-Connect Tube Fittings for Chemicals

- For Use With: Inch: Acetic Acid, Alcohol, Arsenic Acid, Benzoic Acid, Fluoboric Acid, Hydrochloric Acid, Nitric Acid, Sodium Carbonate, Sulfuric Acid
Metric: Acetic Acid, Alcohol, Arsenic Acid, Benzoic Acid, Fluoboric Acid, Sodium Carbonate, Sulfuric Acid - Temperature Range: Inch: 0° to 270° F
Metric: 32° to 175° F - Tubing: Use with hard (Durometer 55D-60D) FEP plastic
Also known as instant fittings, these chemical-resistant plastic fittings connect to tubing with a push, and an internal gripping ring and fluoroelastomer O-ring hold the tubing tight. To disconnect, push on the release ring and pull the tubing out of the fitting.
PVDF fittings offer excellent chemical resistance, and can be used with hydrochloric acid and nitric acid. They withstand temperatures up to 270° F, higher than other push-to-connect fittings for chemicals. They are produced in a clean room and are bagged individually to prevent dirt and moisture from contaminating the inside. PVDF is also known as Kynar.
Fittings with UNS threads are also known as faucet connectors; they attach directly to a faucet threaded inlet or water line.
For technical drawings and 3-D models, click on a part number.

For Tube OD | Thread Size | Material | Color | Release Ring Color | Max. Pressure | Each | |
UNS Threads | |||||||
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1/4" | 7/16"-24 | PVDF Plastic | Black | Gray | 300 psi @ 72° F | 00000000 | 00000 |