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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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37° Flared Fittings for Aluminum Tubing
- For Use With: Air, Coolant, Gasoline, Hydraulic Fluid, Water
- Temperature Range: -60° to 400° F
- Tubing: Use with seamless aluminum
Also known as JIC (Joint Industrial Council) fittings, these provide a tight metal-to-metal seal on tubing that is flared to 37°. Fittings are aluminum, which is lightweight with good corrosion resistance. They require a nut and a sleeve (ferrule) for each tube end. Nuts and sleeves are sold separately.
For technical drawings and 3-D models, click on a part number.
Straight Adapters, Tube × Male Threaded Pipe
| For Tube OD | Pipe Size  | Material | Max. Pressure | Each | |
NPT Threads | |||||
|---|---|---|---|---|---|
| 1/4" | 1/4 | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 0000000 | 00000 |
| 3/8" | 3/8 | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 0000000 | 0000 |
| 1/2" | 1/2 | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 0000000 | 0000 |
| 5/8" | 1/2 | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 0000000 | 0000 |
| 3/4" | 3/4 | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 0000000 | 00000 |
| 1" | 1 | Anodized 2024 Aluminum | 1,500 psi @ 72° F | 0000000 | 00000 |
Straight Connectors, Tube
| For Tube OD | Material | Max. Pressure | Each | |
| 1/4" | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 0000000 | 00000 |
| 3/8" | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 0000000 | 0000 |
| 1/2" | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 0000000 | 0000 |
| 5/8" | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 0000000 | 0000 |
| 3/4" | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 0000000 | 00000 |
| 1" | Anodized 2024 Aluminum | 1,500 psi @ 72° F | 0000000 | 00000 |
Nuts
| For Tube OD | Nut Material | Max. Pressure | Each | |
| 1/4" | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 0000000 | 00000 |
| 3/8" | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 0000000 | 0000 |
| 1/2" | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 0000000 | 0000 |
| 5/8" | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 0000000 | 0000 |
| 3/4" | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 0000000 | 0000 |
| 1" | Anodized 2024 Aluminum | 1,500 psi @ 72° F | 0000000 | 0000 |
Sleeves
| For Tube OD | Sleeve Material | Max. Pressure | Each | |
| 1/4" | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 0000000 | 00000 |
| 3/8" | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 0000000 | 0000 |
| 1/2" | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 0000000 | 0000 |
| 5/8" | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 0000000 | 0000 |
| 3/4" | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 0000000 | 0000 |
| 1" | Anodized 2024 Aluminum | 1,500 psi @ 72° F | 0000000 | 0000 |