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.
More
Aluminum Low-Pressure Barbed Tube Fittings for Air and Water
- For Use With: Air, Lubricated Air, Water
- Temperature Range: -40° to 230° F
- Tubing: Use with hard (Durometer 75A-60D) EVA plastic, polyethylene plastic, polyurethane rubber or PVDF plastic
Made of aluminum, these fittings are lighter in weight than other metal barbed tube fittings and have good corrosion resistance. The barb grips onto tubing, providing a secure hold with no clamp required.
For technical drawings and 3-D models, click on a part number.
| For Tube ID (A) | For Tube ID (B) | Material | Max. Pressure | Each | |
| 1/8" | 1/16" | Aluminum | 125 psi @ 72° F | 00000000 | 00000 |
| 0.17" | 1/8" | Aluminum | 125 psi @ 72° F | 00000000 | 0000 |
| 1/4" | 1/16" | Aluminum | 125 psi @ 72° F | 00000000 | 0000 |
| 1/4" | 1/8" | Aluminum | 125 psi @ 72° F | 00000000 | 0000 |
| 1/4" | 0.17" | Aluminum | 125 psi @ 72° F | 00000000 | 0000 |
| 3/8" | 1/4" | Aluminum | 125 psi @ 72° F | 00000000 | 0000 |
| 1/2" | 1/4" | Aluminum | 125 psi @ 72° F | 00000000 | 00000 |
| 6mm | 2mm | Aluminum | 125 psi @ 72° F | 0000000 | 0000 |
| 6mm | 4mm | Aluminum | 125 psi @ 72° F | 0000000 | 0000 |
| 8mm | 4mm | Aluminum | 125 psi @ 72° F | 0000000 | 0000 |
| 8mm | 6mm | Aluminum | 125 psi @ 72° F | 0000000 | 0000 |
Choose-a-Color Aluminum Low-Pressure Barbed Tube Fittings for Air and Water
- For Use With: Air, Lubricated Air, Water
- Temperature Range: -40° to 230° F
- Tubing: Use with hard (Durometer 75A-60D) EVA plastic, polyethylene plastic, polyurethane rubber or PVDF plastic
Color-code fittings for easy identification. Fittings are aluminum, which is lightweight with good corrosion resistance. The barb grips onto tubing, providing a secure hold with no clamp required.
For technical drawings and 3-D models, click on a part number.
| For Tube ID (A) | For Tube ID (B) | Material | Max. Pressure | Choose a Color | Each | |
| 1/8" | 1/16" | Anodized Aluminum | 125 psi @ 72° F | 00000000 | 00000 | |
| 0.17" | 1/8" | Anodized Aluminum | 125 psi @ 72° F | 00000000 | 0000 | |
| 1/4" | 1/16" | Anodized Aluminum | 125 psi @ 72° F | 00000000 | 0000 | |
| 1/4" | 1/8" | Anodized Aluminum | 125 psi @ 72° F | 00000000 | 0000 | |
| 1/4" | 0.17" | Anodized Aluminum | 125 psi @ 72° F | 00000000 | 0000 | |
| 3/8" | 1/4" | Anodized Aluminum | 125 psi @ 72° F | 00000000 | 0000 | |
| 1/2" | 1/4" | Anodized Aluminum | 125 psi @ 72° F | 00000000 | 00000 |
Nickel-Plated Brass Push-to-Connect Tube Fittings for Air
- For Use With: Air, Lubricated Air
- Temperature Range: 0° to 140° F
- Tubing: Fittings with Release Ring and Fittings with no Release Type: Use with firm or hard (Durometer 95A-60D) nylon plastic, polyethylene plastic or polyurethane rubber
Fittings with Release Sleeve: Use with firm or hard (Durometer 95A-60D) polyethylene plastic or polyurethane rubber
Made of nickel-plated brass, these fittings have better corrosion resistance than unplated brass fittings. Also known as instant fittings, they connect to tubing with a push, and an internal gripping ring and O-ring hold the tubing tight. To disconnect, push on the release ring or sleeve and pull the tubing out of the fitting.
Fittings with release sleeve are easier to disconnect than fittings with a release ring because they are seamless and won't collect dirt and debris.
For technical drawings and 3-D models, click on a part number.
Release Sleeve | |||||
|---|---|---|---|---|---|
| For Tube OD (A) | For Tube OD (B) | Material | Max. Pressure | Each | |
| 3/8" | 1/4" | Nickel-Plated Brass | 230 psi @ 72° F | 00000000 | 000000 |
| 1/2" | 1/4" | Nickel-Plated Brass | 230 psi @ 72° F | 00000000 | 00000 |
| 1/2" | 3/8" | Nickel-Plated Brass | 230 psi @ 72° F | 00000000 | 00000 |
| 8mm | 4mm | Nickel-Plated Brass | 230 psi @ 72° F | 00000000 | 00000 |
| 8mm | 6mm | Nickel-Plated Brass | 230 psi @ 72° F | 00000000 | 00000 |
| 10mm | 6mm | Nickel-Plated Brass | 230 psi @ 72° F | 00000000 | 00000 |
| 10mm | 8mm | Nickel-Plated Brass | 230 psi @ 72° F | 00000000 | 00000 |
| 12mm | 8mm | Nickel-Plated Brass | 230 psi @ 72° F | 00000000 | 00000 |
| 12mm | 10mm | Nickel-Plated Brass | 230 psi @ 72° F | 00000000 | 00000 |
| 14mm | 8mm | Nickel-Plated Brass | 230 psi @ 72° F | 00000000 | 00000 |
| 14mm | 10mm | Nickel-Plated Brass | 230 psi @ 72° F | 00000000 | 00000 |
| 14mm | 12mm | Nickel-Plated Brass | 230 psi @ 72° F | 00000000 | 00000 |
Moisture-Resistant Push-to-Connect Tube Fittings for Air and Water
These fittings won’t absorb moisture, so they’re good for water and high-humidity air applications. Also known as instant fittings, they connect to tubing with a push, and an internal gripping ring and O-ring hold the tubing tight. To disconnect, push on the release ring and pull the tubing out of the fitting. They have good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Lubricated Air, Water
- Temperature Range: 32° to 100° F
- Tubing: Use with firm (Durometer 90A-95A) nylon plastic or polyurethane rubber
Release Ring | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of Inlets | For Tube OD | Number of Outlets | For Tube OD | Material | Color | Material | Color | Max. Pressure | Mount Type | Mounting Fasteners Included | Each | |
| 2 | 5/16" | 6 | 5/32" | Polybutylene Plastic | Black | Plastic | Orange | 140 psi @ 72° F | Screw On | No | 000000000 | 000000 |
| 2 | 5/16" | 10 | 5/32" | Polybutylene Plastic | Black | Plastic | Orange | 140 psi @ 72° F | Screw On | No | 000000000 | 00000 |
| 2 | 3/8" | 6 | 1/4" | Polybutylene Plastic | Black | Plastic | Orange | 140 psi @ 72° F | Screw On | No | 000000000 | 00000 |
| 2 | 3/8" | 10 | 1/4" | Polybutylene Plastic | Black | Plastic | Orange | 140 psi @ 72° F | Screw On | No | 000000000 | 00000 |
| 2 | 1/2" | 6 | 5/16" | Polybutylene Plastic | Black | Plastic | Orange | 140 psi @ 72° F | Screw On | No | 000000000 | 00000 |
| 2 | 1/2" | 10 | 5/16" | Polybutylene Plastic | Black | Plastic | Orange | 140 psi @ 72° F | Screw On | No | 000000000 | 00000 |
| 2 | 10mm | 6 | 6mm | Polybutylene Plastic | Black | Plastic | Green | 140 psi @ 72° F | Screw On | No | 00000000 | 00000 |
| 2 | 10mm | 10 | 6mm | Polybutylene Plastic | Black | Plastic | Green | 140 psi @ 72° F | Screw On | No | 00000000 | 00000 |
| 2 | 12mm | 6 | 8mm | Polybutylene Plastic | Black | Plastic | Green | 140 psi @ 72° F | Screw On | No | 00000000 | 00000 |
| 2 | 12mm | 10 | 8mm | Polybutylene Plastic | Black | Plastic | Green | 140 psi @ 72° F | Screw On | No | 00000000 | 00000 |
Plastic Compression Tube Fittings for Air
- For Use With: Air, Lubricated Air
- Temperature Range: -30° to 210° F
- Tubing: Use with firm or hard nylon plastic, polyethylene plastic or polypropylene plastic
Lighter in weight than their metal counterparts, these compression fittings are polypropylene. They have excellent impact and abrasion resistance. Fittings include a nut with a built-in sleeve (ferrule), so there’s no need to remove the nut for assembly. The sleeve compresses the tubing as you tighten the nut, creating a strong seal. Fittings are also known as flareless fittings.
Tube supports (sold separately) are recommended if you want to use the fittings with soft nylon, polypropylene, and polyethylene tubing to prevent the tube from collapsing.
For technical drawings and 3-D models, click on a part number.
| For Tube OD (A) | For Tube OD (B) | Material | Color | Max. Pressure | Pkg. Qty. | Pkg. | |
| 5/16" | 1/4" | Polypropylene Plastic | White | 220 psi @ 72° F | 5 | 00000000 | 00000 |
| 3/8" | 1/4" | Polypropylene Plastic | White | 220 psi @ 72° F | 5 | 00000000 | 0000 |
| 1/2" | 3/8" | Polypropylene Plastic | White | 220 psi @ 72° F | 2 | 00000000 | 0000 |
| 5/8" | 3/8" | Polypropylene Plastic | White | 220 psi @ 72° F | 2 | 00000000 | 0000 |
| 5/8" | 1/2" | Polypropylene Plastic | White | 220 psi @ 72° F | 2 | 00000000 | 0000 |
| 7/8" | 5/8" | Polypropylene Plastic | White | 220 psi @ 72° F | 1 | 00000000 | 0000 |
Nut | Sleeve | |||||||
|---|---|---|---|---|---|---|---|---|
| For Tube OD | Material | Color | Material | Color | Max. Pressure | Pkg. Qty. | Pkg. | |
| 1/4" | Polypropylene Plastic | White | Polypropylene Plastic | White | 220 psi @ 72° F | 10 | 00000000 | 00000 |
| 5/16" | Polypropylene Plastic | White | Polypropylene Plastic | White | 220 psi @ 72° F | 10 | 00000000 | 0000 |
| 3/8" | Polypropylene Plastic | White | Polypropylene Plastic | White | 220 psi @ 72° F | 10 | 00000000 | 0000 |
| 1/2" | Polypropylene Plastic | White | Polypropylene Plastic | White | 220 psi @ 72° F | 10 | 00000000 | 0000 |
| 5/8" | Polypropylene Plastic | White | Polypropylene Plastic | White | 220 psi @ 72° F | 10 | 00000000 | 0000 |
For Tube | Tube Support | ||||||
|---|---|---|---|---|---|---|---|
| OD | ID | Material | Color | Max. Pressure | Pkg. Qty. | Pkg. | |
| 1/4" | 3/16" | Polypropylene Plastic | White | 220 psi @ 72° F | 10 | 00000000 | 00000 |
| 5/16" | 3/16" | Polypropylene Plastic | White | 220 psi @ 72° F | 10 | 00000000 | 0000 |
| 3/8" | 1/4" | Polypropylene Plastic | White | 220 psi @ 72° F | 10 | 00000000 | 0000 |
| 1/2" | 3/8" | Polypropylene Plastic | White | 220 psi @ 72° F | 10 | 00000000 | 0000 |
Brass Compression Tube Fittings for Air and Water
- For Use With: Air, Lubricated Air, Water
- Temperature Range: See table
- Tubing: Use with firm or hard (Durometer 1A-95A or Rockwell 15T 1-15T 60) nylon plastic, polyethylene plastic, polypropylene plastic or polyurethane rubber
- Specifications Met: SAE J512, except metric sizes
A single sleeve (ferrule) compresses the tubing as you tighten the nut, creating a strong seal. The nut and sleeve are included. Fittings are also known as flareless fittings. They are brass for good corrosion resistance.
Use tube supports (sold separately) when attaching fittings to plastic and rubber tubing to prevent the tube from collapsing.
For technical drawings and 3-D models, click on a part number.
For Tube (A) | For Tube (B) | |||||||
|---|---|---|---|---|---|---|---|---|
| OD | Wall Thick. | OD | Wall Thick. | Material | Max. Pressure | Temp. Range, °F | Each | |
| 1/4" | 0.03" | 3/16" | 0.03" | Brass | 300 psi @ 72° F | -65° to 250° | 000000000 | 000000 |
| 3/8" | 0.032" | 1/4" | 0.032" | Brass | 200 psi @ 72° F | -65° to 250° | 000000000 | 00000 |
| 1/2" | 0.032" | 3/8" | 0.032" | Brass | 200 psi @ 72° F | -65° to 250° | 000000000 | 00000 |
| 5/8" | 0.035" | 3/8" | 0.035" | Brass | 150 psi @ 72° F | -65° to 250° | 000000000 | 00000 |
Right-angle tees are also known as run tees.
For Tube (A) | For Tube (B) | |||||||
|---|---|---|---|---|---|---|---|---|
| OD | Wall Thick. | OD | Wall Thick. | Material | Max. Pressure | Temp. Range, °F | Each | |
| 1/4" | 0.03" | 3/8" | 0.032" | Brass | 200 psi @ 72° F | -65° to 250° | 000000000 | 000000 |
- Temperature Range:
Inch: -65° to 250° F
Metric: -40° to 250° F - Tubing:
Tube supports with 135 psi @ 75° F or 165 psi @ 75° F max. pressures: Use with firm or soft polyethylene plastic or PVC plastic
Tube supports with all other max. pressures: Use with firm or soft (Durometer 1A-95A) polyethylene plastic or polypropylene plastic
For Tube | ||||||
|---|---|---|---|---|---|---|
| OD | ID | Tube Support Material | Max Pressure | Pkg. Qty. | Pkg. | |
| 3/16" | 1/8" | Brass | 400 psi @ 72° F | 10 | 000000000 | 000000 |
| 3/16" | 9/64" | Brass | 400 psi @ 72° F | 10 | 000000000 | 0000 |
| 1/4" | 1/8" | Brass | 300 psi @ 72° F | 10 | 000000000 | 00000 |
| 1/4" | 5/32" | Brass | 165 psi @ 75° F | 10 | 000000000 | 00000 |
| 3/8" | 1/4" | Brass | 165 psi @ 75° F | 10 | 000000000 | 00000 |
| 1/2" | 3/8" | Brass | 135 psi @ 75° F | 5 | 000000000 | 0000 |
| 5/8" | 15/32" | Brass | 150 psi @ 72° F | 5 | 000000000 | 00000 |
- For Use With:
Short nuts: Air, Water, Lubricated Air
Long nuts: Air, Water, Cutting Oil, Fuel Oil, Hydraulic Fluid, Mineral Oil - Temperature Range: See table
- Tubing:
Short nuts: Use with firm or hard (Durometer 1A-95A or Rockwell 15T 1-15T 60) nylon plastic, polyethylene plastic, polypropylene plastic, or polyurethane rubber
Long nuts: Use with firm or hard (Durometer 1A-95A) copper, nylon plastic, polyethylene plastic, polypropylene plastic, or polyurethane rubber - Specifications Met: See table
For Tube | |||||||
|---|---|---|---|---|---|---|---|
| OD | Wall Thick. | Nut Material | Max. Pressure | Temp. Range, °F | Specifications Met | Each | |
Short Nuts | |||||||
| 3/16" | 0.03" | Brass | 400 psi @ 72° F | -65° to 250° | SAE J512 | 000000000 | 00000 |
| 1/4" | 0.03" | Brass | 300 psi @ 72° F | -65° to 250° | SAE J512 | 000000000 | 0000 |
| 3/8" | 0.032" | Brass | 200 psi @ 72° F | -65° to 250° | SAE J512 | 000000000 | 0000 |
| 1/2" | 0.032" | Brass | 200 psi @ 72° F | -65° to 250° | SAE J512 | 000000000 | 0000 |
| 5/8" | 0.035" | Brass | 150 psi @ 72° F | -65° to 250° | SAE J512 | 000000000 | 0000 |
Long Nuts | |||||||
| 1/4" | 0.03" | Brass | 300 psi @ 72° F | -65° to 250° | UL Listed | 000000000 | 0000 |
| 3/8" | 0.032" | Brass | 200 psi @ 72° F | -65° to 250° | UL Listed | 000000000 | 0000 |
| 1/2" | 0.032" | Brass | 200 psi @ 72° F | -65° to 250° | UL Listed | 000000000 | 00000 |
- For Use With:
UL Listed sleeves: Air, Water, Cutting Oil, Fuel Oil, Hydraulic Fluid, Mineral Oil
All other sleeves: Air, Water, Lubricated Air - Temperature Range: See table
- Tubing:
UL Listed sleeves: Use with firm or hard (Durometer 1A-95A) copper, nylon plastic, polyethylene plastic, polypropylene plastic, or polyurethane rubber
All other sleeves: Use with firm or hard (Durometer 1A-95A or Rockwell 15T 1-15T 60) nylon plastic, polyethylene plastic, polypropylene plastic, or polyurethane rubber - Specifications Met: See table
For Tube | Sleeve | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| OD | Wall Thick. | Material | Color | Max. Pressure | Temp. Range, °F | Specifications Met | Pkg. Qty. | Pkg. | |
| 3/16" | 0.03" | Brass | __ | 400 psi @ 72° F | -65° to 200° | UL Listed | 10 | 000000000 | 00000 |
| 1/4" | 0.03" | Acetal Plastic | White | 300 psi @ 72° F | -65° to 250° | SAE J512 | 10 | 000000000 | 0000 |
| 1/4" | 0.03" | Brass | __ | 300 psi @ 72° F | -65° to 200° | UL Listed | 10 | 000000000 | 0000 |
| 3/8" | 0.032" | Acetal Plastic | White | 200 psi @ 72° F | -65° to 250° | SAE J512 | 10 | 000000000 | 0000 |
| 3/8" | 0.032" | Brass | __ | 200 psi @ 72° F | -65° to 200° | UL Listed | 10 | 000000000 | 0000 |
| 1/2" | 0.032" | Acetal Plastic | White | 200 psi @ 72° F | -65° to 250° | SAE J512 | 10 | 000000000 | 00000 |
| 1/2" | 0.032" | Brass | __ | 200 psi @ 72° F | -65° to 200° | UL Listed | 10 | 000000000 | 00000 |
| 5/8" | 0.035" | Acetal Plastic | White | 150 psi @ 72° F | -65° to 250° | SAE J512 | 10 | 000000000 | 00000 |
| 5/8" | 0.035" | Brass | __ | 150 psi @ 72° F | -65° to 200° | UL Listed | 10 | 000000000 | 00000 |
Stainless Steel Push-to-Connect Tube Fittings for Chemicals
- For Use With: Alcohol, Bleach, Lubricated Air, Nitric Acid, Sodium Carbonate, Sulfuric Acid
- Temperature Range: 0° to 175° F
- Tubing: Use with firm or hard (Durometer 80A-60D) FEP, polyethylene, or PTFE plastic
Fittings are 316 stainless steel, which has excellent chemical resistance and is more durable than plastic. Also known as instant fittings, they connect to tubing with a push, and an internal gripping ring and O-ring hold the tubing tight. Instead of a release ring, these fittings have a release sleeve that slides back to disconnect tubing.
For technical drawings and 3-D models, click on a part number.
| For Tube OD (A) | For Tube OD (B) | Material | Max. Pressure | Each | |
| 3/8" | 1/4" | 316 Stainless Steel | 345 psi @ 72° F | 00000000 | 000000 |
| 1/2" | 1/4" | 316 Stainless Steel | 345 psi @ 72° F | 00000000 | 00000 |
| 1/2" | 3/8" | 316 Stainless Steel | 345 psi @ 72° F | 00000000 | 000000 |
| 8mm | 6mm | 316 Stainless Steel | 345 psi @ 72° F | 00000000 | 00000 |
| 10mm | 6mm | 316 Stainless Steel | 345 psi @ 72° F | 00000000 | 000000 |
| 10mm | 8mm | 316 Stainless Steel | 345 psi @ 72° F | 00000000 | 00000 |