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About Measuring Fittings
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Measure the threaded ends of your fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.
30° Flared Fittings for Steel Tubing
- Specifications Met: See table
Also known as JIS (Japanese Industrial Standard) fittings, these have a 30° flare on one or both ends. Fittings are zinc-plated steel for fair corrosion resistance.
UN/UNF (SAE Straight) male threads have a gasket to protect against leaks. They are also known as O-ring boss threads.
Straight Adapters, Male 30° Flared Tube × Male Threaded Pipe
UN/UNF
(SAE Straight) Male
Threads with Gasket
(SAE Straight) Male
Threads with Gasket
- Temperature Range: -65° to 500° F, except UN/UNF (SAE Straight) Fittings are -20° to 230° F
| For Tube OD | Pipe Size  | Thread Size | Material | Gasket Material | Max. Pressure | Specifications Met | Each | |
UN/UNF (SAE Straight) Threads | ||||||||
|---|---|---|---|---|---|---|---|---|
| 3/8" | 1/4 | 9/16"-18 | Zinc-Plated Steel | Buna-N Rubber | 5,000 psi @ 72° F | ISO 228-1, JIS B 0202, JIS B 8363, SAE J1926 | 1774N51 | 000000 |
| 3/8" | 3/8 | 7/16"-20 | Zinc-Plated Steel | Buna-N Rubber | 5,000 psi @ 72° F | ISO 228-1, JIS B 0202, JIS B 8363, SAE J1926 | 1774N52 | 00000 |
| 1/2" | 3/8 | 9/16"-18 | Zinc-Plated Steel | Buna-N Rubber | 5,000 psi @ 72° F | ISO 228-1, JIS B 0202, JIS B 8363, SAE J1926 | 1774N53 | 00000 |