| Applications: | LP and Natural Gas, Flammable Liquids, Instrumentation, Refrigeration, Power Steering, Hydraulic and Pneumatic Systems. | Used With: | Copper, Brass, Aluminum and Steel hydraulic tubing that can be flared. |
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| SAE Rating: | SAE# 010106 | Conformance: | Meets specifications and standards of ASA, ASME, SAE and MS (Military standards). |
| Vibration: | Good resistance – use long nut when greater vibration resistance is required. | Temperature Range: | -65°F to +250°F (-53°C to +121°C) range at maximum operating pressures |
| Tolerance: | +/- .03 on all dimensions. Dimension data can change without notice. Please call us when dimensions are critical. | Lead Free: | Not Lead Free |
| Working Pressure Ranges: | |||
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| Assembly Instructions: | |||
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| Tube OD | 1/8″ | 3/16″ | 1/4″ | 5/16″ | 3/8″ | 7/16″ | 1/2″ | 5/8″ | 3/4″ |
| Thread Size B | 5/16-24 | 3/8-24 | 7/16-20 | 1/2-20 | 5/8-18 | 11/16-16 | 3/4-16 | 7/8-14 | 1-1/16-14 |
| Crossover Series: | ||||
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| 664 | U5 | 664FHD | 33 | 48-FF |
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| Part Number | Female Flare x Male NPTF | A | Hex | Approx. Weight (Lbs.) |
| 10440 (10-440) |
1/4″ x 1/8″ | 0.91″ | 0.62″ | 0.05 |
| 10441 (10-441) |
1/4″ x 1/4″ | 1.01″ | 0.62″ | 0.06 |
| 10442 (10-442) |
3/8″ x 1/4″ | 1.28″ | 0.81″ | 0.10 |
| 10438 | 3/8″ x 1/2″ | – | – | – |
| 10443 (10-443) |
1/2″ x 3/8″ | 1.36″ | 0.94″ | 0.14 |
| 10444 (10-444) |
1/2″ x 1/2″ | 1.46″ | 0.94″ | 0.14 |
| 10439 | 5/8″ x 1/2″ | – | – | – |






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