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Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.
37° Flared Fittings for Copper Tubing
- For Use With: Air, Fuel Oil, Mineral Oil, Water
- Temperature Range: -40° to 400° F
- Tubing: Use with seamless copper
- Specifications Met: ISO 8434, MIL-F-18866, SAE J514
Also known as JIC (Joint Industrial Council) fittings, these provide a tight metal-to-metal seal on tubing that is flared to 37°. They can handle higher pressures than 45° flared fittings. Fittings are brass for good corrosion resistance. They require a nut and a sleeve (ferrule) for each tube end. Nuts and sleeves are sold separately.
Straight Adapters, Tube × Male Threaded Pipe
| For Tube OD | Pipe Size | Material | Max. Pressure | Each | |
NPT Threads | |||||
|---|---|---|---|---|---|
| 3/16" | 1/8 | 360 Brass | Not Rated | 50675K613 | 00000 |
| 1/4" | 1/8 | 360 Brass | 3,200 psi @ 72° F | 50675K161 | 0000 |
| 1/4" | 1/8 | 360 Brass | 3,300 psi @ 72° F | 50675K43 | 0000 |
| 1/4" | 1/4 | 360 Brass | 3,200 psi @ 72° F | 50675K162 | 0000 |
| 1/4" | 3/8 | 360 Brass | 2,900 psi @ 72° F | 50675K614 | 0000 |
| 1/4" | 1/2 | 360 Brass | 2,900 psi @ 72° F | 50675K615 | 0000 |
| 5/16" | 1/8 | 360 Brass | 3,300 psi @ 72° F | 50675K435 | 0000 |
| 5/16" | 1/4 | 360 Brass | 2,900 psi @ 72° F | 50675K616 | 00000 |
| 5/16" | 3/4 | 360 Brass | 1,800 psi @ 72° F | 50675K621 | 00000 |
| 3/8" | 1/8 | 360 Brass | 2,300 psi @ 72° F | 50675K617 | 0000 |
| 3/8" | 1/4 | 360 Brass | 3,200 psi @ 72° F | 50675K163 | 0000 |
| 3/8" | 1/4 | 360 Brass | 3,300 psi @ 72° F | 50675K441 | 0000 |
| 3/8" | 3/8 | 360 Brass | 3,200 psi @ 72° F | 50675K164 | 0000 |
| 3/8" | 1/2 | 360 Brass | 2,300 psi @ 72° F | 50675K618 | 0000 |
| 1/2" | 1/4 | 360 Brass | 2,300 psi @ 72° F | 50675K619 | 0000 |
| 1/2" | 3/8 | 360 Brass | 3,200 psi @ 72° F | 50675K165 | 0000 |
| 1/2" | 3/8 | 360 Brass | 3,300 psi @ 72° F | 50675K444 | 00000 |
| 1/2" | 1/2 | 360 Brass | 3,200 psi @ 72° F | 50675K166 | 0000 |
| 1/2" | 3/4 | 360 Brass | 2,300 psi @ 72° F | 50675K62 | 00000 |
| 5/8" | 1/2 | 360 Brass | 3,300 psi @ 72° F | 50675K45 | 00000 |
| 3/4" | 1/2 | 360 Brass | Not Rated | 50675K622 | 0000 |
| 3/4" | 3/4 | 360 Brass | 2,600 psi @ 72° F | 50675K167 | 00000 |
| 1" | 1 | 360 Brass | 1,900 psi @ 72° F | 50675K168 | 00000 |
Straight Adapters, Tube × Female Threaded Pipe
| For Tube OD | Pipe Size | Material | Max. Pressure | Each | |
NPT Threads | |||||
|---|---|---|---|---|---|
| 1/4" | 1/8 | 360 Brass | 3,200 psi @ 72° F | 50675K171 | 00000 |
| 1/4" | 1/4 | 360 Brass | 3,200 psi @ 72° F | 50675K172 | 0000 |
| 5/16" | 1/4 | 360 Brass | 2,900 psi @ 72° F | 50675K623 | 0000 |
| 3/8" | 1/4 | 360 Brass | 3,200 psi @ 72° F | 50675K173 | 0000 |
| 3/8" | 3/8 | 360 Brass | 3,200 psi @ 72° F | 50675K174 | 0000 |
| 1/2" | 1/4 | 360 Brass | 2,300 psi @ 72° F | 50675K624 | 00000 |
| 1/2" | 3/8 | 360 Brass | 3,200 psi @ 72° F | 50675K175 | 00000 |
| 1/2" | 1/2 | 360 Brass | 3,200 psi @ 72° F | 50675K176 | 00000 |
| 3/4" | 3/4 | 360 Brass | 2,600 psi @ 72° F | 50675K177 | 00000 |
| 1" | 1 | 360 Brass | 1,900 psi @ 72° F | 50675K178 | 00000 |
Straight Connectors, Tube
| For Tube OD | Lg. | Material | Max. Pressure | Each | |
| 1/8" | 1 11/64" | 360 Brass | 3,300 psi @ 72° F | 50675K107 | 00000 |
| 3/16" | 1 15/64" | 360 Brass | 3,300 psi @ 72° F | 50675K11 | 0000 |
| 1/4" | 1 3/8" | 360 Brass | 3,200 psi @ 72° F | 50675K261 | 0000 |
| 1/4" | 2 1/16" | 360 Brass | 3,300 psi @ 72° F | 50675K349 | 00000 |
| 5/16" | 1 3/8" | 360 Brass | 3,300 psi @ 72° F | 50675K135 | 0000 |
| 5/16" | 2 1/16" | 360 Brass | 3,300 psi @ 72° F | 50675K386 | 00000 |
| 3/8" | 1 13/32" | 360 Brass | 3,200 psi @ 72° F | 50675K262 | 0000 |
| 3/8" | 2 3/16" | 360 Brass | 3,300 psi @ 72° F | 50675K397 | 00000 |
| 1/2" | 1 5/8" | 360 Brass | 3,200 psi @ 72° F | 50675K263 | 0000 |
| 1/2" | 2 7/16" | 360 Brass | 3,300 psi @ 72° F | 50675K41 | 00000 |
| 5/8" | 1 57/64" | 360 Brass | 3,300 psi @ 72° F | 50675K139 | 00000 |
| 3/4" | 2 5/32" | 360 Brass | 3,200 psi @ 72° F | 50675K264 | 00000 |
| 1" | 2 1/4" | 360 Brass | 2,600 psi @ 72° F | 50675K265 | 00000 |
90° Elbow Adapters, Tube × Male Threaded Pipe
| For Tube OD | Pipe Size | Material | Max. Pressure | Each | |
NPT Threads | |||||
|---|---|---|---|---|---|
| 1/4" | 1/8 | 360 Brass | 4,200 psi @ 72° F | 50675K181 | 00000 |
| 1/4" | 1/4 | 360 Brass | 4,200 psi @ 72° F | 50675K182 | 00000 |
| 1/4" | 3/8 | 360 Brass | 2,900 psi @ 72° F | 50675K625 | 00000 |
| 5/16" | 1/4 | 360 Brass | 2,900 psi @ 72° F | 50675K626 | 00000 |
| 3/8" | 1/4 | 360 Brass | 4,200 psi @ 72° F | 50675K183 | 00000 |
| 3/8" | 3/8 | 360 Brass | 4,200 psi @ 72° F | 50675K184 | 00000 |
| 3/8" | 1/2 | 360 Brass | 2,300 psi @ 72° F | 50675K627 | 00000 |
| 1/2" | 1/4 | 360 Brass | 2,300 psi @ 72° F | 50675K628 | 00000 |
| 1/2" | 3/8 | 360 Brass | 4,200 psi @ 72° F | 50675K185 | 00000 |
| 1/2" | 1/2 | 360 Brass | 4,200 psi @ 72° F | 50675K186 | 00000 |
| 1/2" | 3/4 | 360 Brass | 2,300 psi @ 72° F | 50675K629 | 00000 |
| 5/8" | 1/2 | 360 Brass | 1,800 psi @ 72° F | 50675K63 | 00000 |
| 3/4" | 1/2 | 360 Brass | Not Rated | 50675K631 | 00000 |
| 3/4" | 3/4 | 360 Brass | 2,600 psi @ 72° F | 50675K187 | 00000 |
| 1" | 1 | 360 Brass | 1,900 psi @ 72° F | 50675K188 | 00000 |
90° Elbow Adapters, Tube × Female Threaded Pipe
| For Tube OD | Pipe Size | Material | Max. Pressure | Each | |
NPT Threads | |||||
|---|---|---|---|---|---|
| 1/4" | 1/8 | 360 Brass | 2,700 psi @ 72° F | 50675K191 | 000000 |
| 1/4" | 1/4 | 360 Brass | 2,700 psi @ 72° F | 50675K192 | 00000 |
| 3/8" | 1/4 | 360 Brass | 2,700 psi @ 72° F | 50675K193 | 00000 |
| 3/8" | 3/8 | 360 Brass | 2,400 psi @ 72° F | 50675K194 | 00000 |
| 1/2" | 3/8 | 360 Brass | 1,600 psi @ 72° F | 50675K195 | 00000 |
| 1/2" | 1/2 | 360 Brass | 1,600 psi @ 72° F | 50675K196 | 00000 |
| 3/4" | 3/4 | 360 Brass | 1,600 psi @ 72° F | 50675K197 | 000000 |
Nuts for 37° Flared Fittings for Copper Tubing
- For Use With: Air, Fuel Oil, Mineral Oil, Water
- Temperature Range: -40° to 400° F
- Tubing: Use with seamless copper
- Specifications Met: ISO 8434, MIL-F-18866, SAE J514
Use these nuts with a sleeve and fitting to provide a tight metal-to-metal seal on copper tubing that is flared to 37°. They are brass for good corrosion resistance.
Sleeves for 37° Flared Fittings for Copper Tubing
- For Use With: Air, Fuel Oil, Mineral Oil, Water
- Temperature Range: -40° to 400° F
- Tubing: Use with seamless copper
- Specifications Met: MIL-F-18866, SAE J514, ISO 8434
Use these sleeves with a nut and fitting to provide a tight metal-to-metal seal on copper tubing that is flared to 37°. Sleeves are brass for good corrosion resistance. They are also known as ferrules.