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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.
Caps
| For Tube OD | Max. Pressure | Specifications Met | Each | |
304 Stainless Steel | ||||
|---|---|---|---|---|
| 1/8" | 3,000 psi @ 72° F | AN929-2J, ASTM A380, SAE AS4841 | 0000000 | 00000 |
| 1/4" | 3,000 psi @ 72° F | AN929-4J, ASTM A380, SAE AS4841 | 0000000 | 0000 |
| 3/8" | 3,000 psi @ 72° F | AN929-6J, ASTM A380, SAE AS4841 | 0000000 | 0000 |
| 1/2" | 3,000 psi @ 72° F | AN929-8J, ASTM A380, SAE AS4841 | 0000000 | 00000 |
| 3/4" | 3,000 psi @ 72° F | AN929-12J, ASTM A380, SAE AS4841 | 0000000 | 00000 |
| 1" | 3,000 psi @ 72° F | AN929-16J, ASTM A380, SAE AS4841 | 00000000 | 00000 |
316 Stainless Steel | ||||
| 1/8" | 3,000 psi @ 72° F | AN929-2K, ASTM A380, SAE AS4841 | 00000000 | 00000 |
| 1/4" | 3,000 psi @ 72° F | AN929-4K, ASTM A380, SAE AS4841 | 00000000 | 0000 |
| 3/8" | 3,000 psi @ 72° F | AN929-6K, ASTM A380, SAE AS4841 | 00000000 | 0000 |
| 1/2" | 3,000 psi @ 72° F | AN929-8K, ASTM A380, SAE AS4841 | 00000000 | 00000 |
| 3/4" | 3,000 psi @ 72° F | AN929-12K, ASTM A380, SAE AS4841 | 00000000 | 00000 |
| 1" | 3,000 psi @ 72° F | AN929-16K, ASTM A380, SAE AS4841 | 00000000 | 00000 |
Plugs
| For Tube OD | Max. Pressure | Specifications Met | Each | |
304 Stainless Steel | ||||
|---|---|---|---|---|
| 1/8" | 3,000 psi @ 72° F | AN806-J2, ASTM A380, SAE AS4841 | 0000000 | 000000 |
| 1/4" | 3,000 psi @ 72° F | AN806-J4, ASTM A380, SAE AS4841 | 0000000 | 0000 |
| 3/8" | 3,000 psi @ 72° F | AN806-J6, ASTM A380, SAE AS4841 | 0000000 | 0000 |
| 1/2" | 3,000 psi @ 72° F | AN806-J8, ASTM A380, SAE AS4841 | 0000000 | 00000 |
| 3/4" | 3,000 psi @ 72° F | AN806-J12, ASTM A380, SAE AS4841 | 0000000 | 00000 |
| 1" | 3,000 psi @ 72° F | AN806-J16, ASTM A380, SAE AS4841 | 00000000 | 00000 |
316 Stainless Steel | ||||
| 1/8" | 3,000 psi @ 72° F | AN806-K2, ASTM A380, SAE AS4841 | 00000000 | 00000 |
| 1/4" | 3,000 psi @ 72° F | AN806-K4, ASTM A380, SAE AS4841 | 00000000 | 0000 |
| 3/8" | 3,000 psi @ 72° F | AN806-K6, ASTM A380, SAE AS4841 | 00000000 | 00000 |
| 1/2" | 3,000 psi @ 72° F | AN806-K8, ASTM A380, SAE AS4841 | 00000000 | 00000 |
| 3/4" | 3,000 psi @ 72° F | AN806-K12, ASTM A380, SAE AS4841 | 00000000 | 00000 |
| 1" | 3,000 psi @ 72° F | AN806-K16, ASTM A380, SAE AS4841 | 00000000 | 00000 |
Nuts
| For Tube OD | Max. Pressure | Specifications Met | Each | |
304 Stainless Steel | ||||
|---|---|---|---|---|
| 1/8" | 3,000 psi @ 72° F | AN818-2J, ASTM A380, SAE AS4841 | 0000000 | 00000 |
| 1/4" | 3,000 psi @ 72° F | AN818-4J, ASTM A380, SAE AS4841 | 0000000 | 0000 |
| 3/8" | 3,000 psi @ 72° F | AN818-6J, ASTM A380, SAE AS4841 | 0000000 | 0000 |
| 1/2" | 3,000 psi @ 72° F | AN818-8J, ASTM A380, SAE AS4841 | 0000000 | 0000 |
| 3/4" | 3,000 psi @ 72° F | AN818-12J, ASTM A380, SAE AS4841 | 0000000 | 00000 |
| 1" | 3,000 psi @ 72° F | AN818-16J, ASTM A380, SAE AS4841 | 00000000 | 00000 |
316 Stainless Steel | ||||
| 1/8" | 3,000 psi @ 72° F | AN818-2K, ASTM A380, SAE AS4841 | 00000000 | 0000 |
| 1/4" | 3,000 psi @ 72° F | AN818-4K, ASTM A380, SAE AS4841 | 00000000 | 0000 |
| 3/8" | 3,000 psi @ 72° F | AN818-6K, ASTM A380, SAE AS4841 | 00000000 | 0000 |
| 1/2" | 3,000 psi @ 72° F | AN818-8K, ASTM A380, SAE AS4841 | 00000000 | 0000 |
| 3/4" | 3,000 psi @ 72° F | AN818-12K, ASTM A380, SAE AS4841 | 00000000 | 00000 |
| 1" | 3,000 psi @ 72° F | AN818-16K, ASTM A380, SAE AS4841 | 00000000 | 00000 |
Sleeves
| For Tube OD | Max. Pressure | Specifications Met | Each | |
304 Stainless Steel | ||||
|---|---|---|---|---|
| 1/8" | 3,000 psi @ 72° F | AN818-2J, ASTM A380, MS20819, SAE AS4841 | 0000000 | 00000 |
| 1/4" | 3,000 psi @ 72° F | AN819-4J, ASTM A380, MS20819, SAE AS4841 | 0000000 | 0000 |
| 3/8" | 3,000 psi @ 72° F | AN819-6J, ASTM A380, MS20819, SAE AS4841 | 0000000 | 0000 |
| 1/2" | 3,000 psi @ 72° F | AN819-8J, ASTM A380, MS20819, SAE AS4841 | 0000000 | 0000 |
| 3/4" | 3,000 psi @ 72° F | AN819-12J, ASTM A380, MS20819, SAE AS4841 | 0000000 | 0000 |
| 1" | 3,000 psi @ 72° F | AN819-16J, ASTM A380, MS20819, SAE AS4841 | 00000000 | 00000 |
316 Stainless Steel | ||||
| 1/8" | 3,000 psi @ 72° F | AN819-2K, ASTM A380, MS20819, SAE AS4841 | 00000000 | 0000 |
| 1/4" | 3,000 psi @ 72° F | AN819-4K, ASTM A380, MS20819, SAE AS4841 | 00000000 | 0000 |
| 3/8" | 3,000 psi @ 72° F | AN819-6K, ASTM A380, MS20819, SAE AS4841 | 00000000 | 0000 |
| 1/2" | 3,000 psi @ 72° F | AN819-8K, ASTM A380, MS20819, SAE AS4841 | 00000000 | 0000 |
| 3/4" | 3,000 psi @ 72° F | AN819-12K, ASTM A380, MS20819, SAE AS4841 | 00000000 | 0000 |
| 1" | 3,000 psi @ 72° F | AN819-16K, ASTM A380, MS20819, SAE AS4841 | 00000000 | 00000 |
Vibration-Resistant 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 500° F
- Tubing: Use with seamless 304 or 316 stainless steel
- Specifications Met: See Table
A PTFE seal on the tube end of these fittings allows for an extra-strong connection in high-vibration applications. The threads on the tube end are Class 3A 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 are 316 stainless steel for excellent 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.
Plugs
PTFE Seal
| For Tube OD | Material | Max. Pressure | Specifications Met | Each | |
| 1/4" | 316 Stainless Steel | 3,000 psi @ 72° F | ASTM A380, SAE AS9100D, SAE AS9104/1 | 00000000 | 000000 |
| 3/8" | 316 Stainless Steel | 3,000 psi @ 72° F | ASTM A380, SAE AS9100D, SAE AS9104/1 | 00000000 | 00000 |
| 1/2" | 316 Stainless Steel | 3,000 psi @ 72° F | ASTM A380, SAE AS9100D, SAE AS9104/1 | 00000000 | 00000 |
| 3/4" | 316 Stainless Steel | 3,000 psi @ 72° F | ASTM A380, SAE AS9100D, SAE AS9104/1 | 00000000 | 00000 |
Nuts
| For Tube OD | Nut Material | Max. Pressure | Specifications Met | Each | |
| 1/4" | 316 Stainless Steel | 3,000 psi @ 72° F | AN818-4K, ASTM A380, SAE AS4841 | 00000000 | 00000 |
| 3/8" | 316 Stainless Steel | 3,000 psi @ 72° F | AN818-6K, ASTM A380, SAE AS4841 | 00000000 | 0000 |
| 1/2" | 316 Stainless Steel | 3,000 psi @ 72° F | AN818-8K, ASTM A380, SAE AS4841 | 00000000 | 0000 |
| 3/4" | 316 Stainless Steel | 3,000 psi @ 72° F | AN818-12K, ASTM A380, SAE AS4841 | 00000000 | 00000 |
Sleeves
| For Tube OD | Sleeve Material | Max. Pressure | Specifications Met | Each | |
| 1/4" | 316 Stainless Steel | 3,000 psi @ 72° F | AN819-4K, ASTM A380, MS20819, SAE AS4841 | 00000000 | 00000 |
| 3/8" | 316 Stainless Steel | 3,000 psi @ 72° F | AN819-6K, ASTM A380, MS20819, SAE AS4841 | 00000000 | 0000 |
| 1/2" | 316 Stainless Steel | 3,000 psi @ 72° F | AN819-8K, ASTM A380, MS20819, SAE AS4841 | 00000000 | 0000 |
| 3/4" | 316 Stainless Steel | 3,000 psi @ 72° F | AN819-12K, ASTM A380, MS20819, SAE AS4841 | 00000000 | 0000 |
37° Flared Fittings for Stainless Steel Tubing
- Tubing: Use with welded or seamless 304 or 316 stainless steel that meets ASTM A213, ASTM A249, or ASTM A269
- Specifications Met: ISO 8434, SAE J514, except fittings with BSPP and BSPT threads meet SAE J514 only
Also known as JIC (Joint Industrial Council) fittings, these provide a tight metal-to-metal seal on tubing that is flared to 37°. They are 316 stainless steel for excellent corrosion resistance. Fittings 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.
Caps
- For Use With: Air, Hydraulic Fluid, Isopropyl Alcohol, Natural Gas, Phosphoric Acid, Water
- Temperature Range: -420° to 1,200° F
| For Tube OD | Material | Each | |
| 1/8" | 316 Stainless Steel | 000000000 | 000000 |
| 1/4" | 316 Stainless Steel | 000000000 | 0000 |
| 5/16" | 316 Stainless Steel | 000000000 | 00000 |
| 3/8" | 316 Stainless Steel | 000000000 | 0000 |
| 1/2" | 316 Stainless Steel | 000000000 | 00000 |
| 5/8" | 316 Stainless Steel | 000000000 | 00000 |
| 3/4" | 316 Stainless Steel | 000000000 | 00000 |
| 1" | 316 Stainless Steel | 000000000 | 00000 |
Plugs
- For Use With: Air, Hydraulic Fluid, Isopropyl Alcohol, Natural Gas, Phosphoric Acid, Water
- Temperature Range: -420° to 1,200° F
| For Tube OD | Material | Each | |
| 1/8" | 316 Stainless Steel | 000000000 | 000000 |
| 1/4" | 316 Stainless Steel | 000000000 | 0000 |
| 5/16" | 316 Stainless Steel | 000000000 | 00000 |
| 3/8" | 316 Stainless Steel | 000000000 | 0000 |
| 1/2" | 316 Stainless Steel | 000000000 | 00000 |
| 5/8" | 316 Stainless Steel | 000000000 | 00000 |
| 3/4" | 316 Stainless Steel | 000000000 | 00000 |
| 1" | 316 Stainless Steel | 000000000 | 00000 |
Nuts
- For Use With: Air, Hydraulic Fluid, Isopropyl Alcohol, Natural Gas, Phosphoric Acid, Water
- Temperature Range: -420° to 1,200° F
| For Tube OD | Nut Material | Each | |
| 1/8" | 316 Stainless Steel | 000000000 | 00000 |
| 1/4" | 316 Stainless Steel | 000000000 | 0000 |
| 5/16" | 316 Stainless Steel | 000000000 | 0000 |
| 3/8" | 316 Stainless Steel | 000000000 | 0000 |
| 1/2" | 316 Stainless Steel | 000000000 | 0000 |
| 5/8" | 316 Stainless Steel | 000000000 | 00000 |
| 3/4" | 316 Stainless Steel | 000000000 | 00000 |
| 1" | 316 Stainless Steel | 000000000 | 00000 |
Sleeves
- For Use With: Air, Hydraulic Fluid, Isopropyl Alcohol, Natural Gas, Phosphoric Acid, Water
- Temperature Range: -420° to 1,200° F
For Tube OD | ||||
|---|---|---|---|---|
| Inch | Metric, mm | Sleeve Material | Each | |
Inch | ||||
| 1/8" | __ | 316 Stainless Steel | 000000000 | 00000 |
| 1/4" | __ | 316 Stainless Steel | 000000000 | 0000 |
| 5/16" | __ | 316 Stainless Steel | 000000000 | 0000 |
| 3/8" | __ | 316 Stainless Steel | 000000000 | 0000 |
| 1/2" | __ | 316 Stainless Steel | 000000000 | 0000 |
| 5/8" | __ | 316 Stainless Steel | 000000000 | 0000 |
| 3/4" | __ | 316 Stainless Steel | 000000000 | 0000 |
| 1" | __ | 316 Stainless Steel | 000000000 | 00000 |
Metric | ||||
| 1/4" | 6 | 316 Stainless Steel | 000000000 | 00000 |
| 5/16" | 8 | 316 Stainless Steel | 000000000 | 00000 |
| 3/8" | 10 | 316 Stainless Steel | 000000000 | 00000 |
| 1/2" | 12 | 316 Stainless Steel | 000000000 | 00000 |
| 5/8" | 14 | 316 Stainless Steel | 000000000 | 00000 |
| 5/8" | 16 | 316 Stainless Steel | 000000000 | 00000 |
| 3/4" | 18 | 316 Stainless Steel | 000000000 | 00000 |
| 7/8" | 20 | 316 Stainless Steel | 000000000 | 00000 |
| 1" | 25 | 316 Stainless Steel | 000000000 | 00000 |