Type Type |
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 | Reducing Adapter |
Thread Type Thread Type |
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System of Measurement System of Measurement |
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Thread Size Thread Size |
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Connection Style Connection Style |
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 |
| Flared |
Shape Shape |
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 | Straight |
Material Material |
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Flared Angle Flared Angle |
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For Tube Material For Tube Material |
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For Tube Fabrication For Tube Fabrication |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Thread Fit Thread Fit |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Maximum Pressure Maximum Pressure |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Specifications Met Specifications Met | Show |
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Specifications Met Specifications Met | Hide |
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Connection Type Connection Type |
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 | Tube |
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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Precision AN 37° Flared Fittings for Stainless Steel Tubing
- For Use With: Air, Cutting Oil, Fuel Oil, Hydraulic Fluid, Mineral Oil, Water
- Temperature Range: -320° to 1200° F
- Tubing: Use with seamless 304 or 316 stainless steel
- Specifications Met: See Table
The threads on the tube end of these fittings are Class 3A or 3B and adhere to tighter tolerances than other 37° flared fittings. They are made to exact AS (formerly AN) specifications and provide a tight metal-to-metal seal on tubing that is flared to 37°. Fittings require a nut and a sleeve (ferrule) for each tube end. Nuts and sleeves are sold separately.
304 stainless steel fittings have very good corrosion resistance. 316 stainless steel fittings have excellent corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Fittings with female tube end have an internal flare that mates with the male tube end of another fitting.
| For Tube OD (A) | For Tube OD (B) | Max. Pressure | Specifications Met | Each | |
304 Stainless Steel | |||||
|---|---|---|---|---|---|
| 3/4" | 1/4" | 3,000 psi @ 72° F | ASTM A380, NAS1564J12-4, SAE AS4841, SAE AS9100D, SAE AS9104/1 | 00000000 | 000000 |
316 Stainless Steel | |||||
| 3/8" | 1/4" | 3,000 psi @ 72° F | ASTM A380, NAS1564J12-4, SAE AS4841, SAE AS9100D, SAE AS9104/1 | 00000000 | 00000 |
304 Stainless Steel | 316 Stainless Steel | |||||
|---|---|---|---|---|---|---|
| For Tube OD | Max. Pressure | Specifications Met | Each | Each | ||
| 1/4" | 3,000 psi @ 72° F | AN818-4J, ASTM A380, SAE AS4841 | 0000000 | 00000 | 000000 | 00 |
| 1/4" | 3,000 psi @ 72° F | AN818-4K, ASTM A380, SAE AS4841 | 000000 | 00 | 00000000 | 00000 |
| 3/8" | 3,000 psi @ 72° F | AN818-6K, ASTM A380, SAE AS4841 | 000000 | 00 | 00000000 | 0000 |
| 3/4" | 3,000 psi @ 72° F | AN818-12J, ASTM A380, SAE AS4841 | 0000000 | 00000 | 000000 | 00 |
304 Stainless Steel | 316 Stainless Steel | |||||
|---|---|---|---|---|---|---|
| For Tube OD | Max. Pressure | Specifications Met | Each | Each | ||
| 1/4" | 3,000 psi @ 72° F | AN819-4K, ASTM A380, MS20819, SAE AS4841 | 000000 | 00 | 00000000 | 00000 |
| 3/8" | 3,000 psi @ 72° F | AN819-6K, ASTM A380, MS20819, SAE AS4841 | 000000 | 00 | 00000000 | 0000 |
| 3/4" | 3,000 psi @ 72° F | AN819-12J, ASTM A380, MS20819, SAE AS4841 | 0000000 | 00000 | 000000 | 00 |