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Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.
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.
Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through your wall or panel to create an inlet or outlet.
| For Tube OD | Max. Pressure | Specifications Met | For Hole Dia. | For Max. Wall Thick. | Each | |
304 Stainless Steel  | ||||||
|---|---|---|---|---|---|---|
| 1/8" | 3,000 psi @ 72° F | AN832-2J, ASTM A380, SAE AS4841 | 5/16" | 3/32" | 5482K259 | 000000 |
| 1/4" | 3,000 psi @ 72° F | AN832-4J, ASTM A380, SAE AS4841 | 7/16" | 3/32" | 5482K261 | 00000 |
| 3/8" | 3,000 psi @ 72° F | AN832-6J, ASTM A380, SAE AS4841 | 9/16" | 3/32" | 5482K262 | 00000 |
| 1/2" | 3,000 psi @ 72° F | AN832-8J, ASTM A380, SAE AS4841 | 3/4" | 1/8" | 5482K263 | 00000 |
| 3/4" | 3,000 psi @ 72° F | AN832-12J, ASTM A380, SAE AS4841 | 1 1/16" | 5/32" | 5482K264 | 00000 |
| 1" | 3,000 psi @ 72° F | AN832-16J, ASTM A380, SAE AS4841 | 1 5/16" | 11/64" | 5482K265 | 000000 |
316 Stainless Steel | ||||||
| 1/4" | 3,000 psi @ 72° F | AN832-4K, ASTM A380, SAE AS4841 | 7/16" | 3/32" | 5482K267 | 00000 |
| 3/8" | 3,000 psi @ 72° F | AN832-6K, ASTM A380, SAE AS4841 | 9/16" | 3/32" | 5482K268 | 00000 |
| 1/2" | 3,000 psi @ 72° F | AN832-8K, ASTM A380, SAE AS4841 | 3/4" | 1/8" | 5482K269 | 00000 |
| 3/4" | 3,000 psi @ 72° F | AN832-12K, ASTM A380, SAE AS4841 | 1 1/16" | 5/32" | 5482K271 | 00000 |
| 1" | 3,000 psi @ 72° F | AN832-16K, ASTM A380, SAE AS4841 | 1 5/16" | 11/64" | 5482K272 | 000000 |
Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through your wall or panel to create an inlet or outlet.
| For Tube OD | Max. Pressure | For Hole Dia. | For Max. Wall Thick. | Specifications Met | Each | |
304 Stainless Steel | ||||||
|---|---|---|---|---|---|---|
| 1/4" | 3,000 psi @ 72° F | 7/16" | 3/32" | AN833-4J, ASTM A380, SAE AS4841 | 5482K273 | 000000 |
| 3/8" | 3,000 psi @ 72° F | 9/16" | 3/32" | AN833-6J, ASTM A380, SAE AS4841 | 5482K274 | 00000 |
| 1/2" | 3,000 psi @ 72° F | 3/4" | 1/8" | AN833-8J, ASTM A380, SAE AS4841 | 5482K275 | 00000 |
| 3/4" | 3,000 psi @ 72° F | 1 1/16" | 5/32" | AN833-12J, ASTM A380, SAE AS4841 | 5482K276 | 000000 |
| 1" | 3,000 psi @ 72° F | 1 5/16" | 11/64" | AN833-16J, ASTM A380, SAE AS4841 | 5482K277 | 000000 |
316 Stainless Steel | ||||||
| 1/4" | 3,000 psi @ 72° F | 7/16" | 3/32" | AN833-4K, ASTM A380, SAE AS4841 | 5482K278 | 00000 |
| 3/8" | 3,000 psi @ 72° F | 9/16" | 3/32" | AN833-6K, ASTM A380, SAE AS4841 | 5482K279 | 00000 |
| 1/2" | 3,000 psi @ 72° F | 3/4" | 1/8" | AN833-8K, ASTM A380, SAE AS4841 | 5482K281 | 00000 |
| 3/4" | 3,000 psi @ 72° F | 1 1/16" | 5/32" | AN833-12K, ASTM A380, SAE AS4841 | 5482K282 | 000000 |
| 1" | 3,000 psi @ 72° F | 1 5/16" | 11/64" | AN833-16K, ASTM A380, SAE AS4841 | 5482K283 | 000000 |
| For Tube OD | Max. Pressure | Specifications Met | Each | |
304 Stainless Steel | ||||
|---|---|---|---|---|
| 1/8" | 3,000 psi @ 72° F | AN818-2J, ASTM A380, SAE AS4841 | 5482K74 | 00000 |
| 1/4" | 3,000 psi @ 72° F | AN818-4J, ASTM A380, SAE AS4841 | 5482K75 | 00000 |
| 3/8" | 3,000 psi @ 72° F | AN818-6J, ASTM A380, SAE AS4841 | 5482K76 | 0000 |
| 1/2" | 3,000 psi @ 72° F | AN818-8J, ASTM A380, SAE AS4841 | 5482K77 | 00000 |
| 3/4" | 3,000 psi @ 72° F | AN818-12J, ASTM A380, SAE AS4841 | 5482K78 | 00000 |
| 1" | 3,000 psi @ 72° F | AN818-16J, ASTM A380, SAE AS4841 | 5482K193 | 00000 |
316 Stainless Steel | ||||
| 1/4" | 3,000 psi @ 72° F | AN818-4K, ASTM A380, SAE AS4841 | 5482K195 | 00000 |
| 3/8" | 3,000 psi @ 72° F | AN818-6K, ASTM A380, SAE AS4841 | 5482K196 | 00000 |
| 1/2" | 3,000 psi @ 72° F | AN818-8K, ASTM A380, SAE AS4841 | 5482K197 | 00000 |
| 3/4" | 3,000 psi @ 72° F | AN818-12K, ASTM A380, SAE AS4841 | 5482K198 | 00000 |
| 1" | 3,000 psi @ 72° F | AN818-16K, ASTM A380, SAE AS4841 | 5482K199 | 00000 |
| For Tube OD | Max. Pressure | Specifications Met | Each | |
304 Stainless Steel | ||||
|---|---|---|---|---|
| 1/8" | 3,000 psi @ 72° F | AN819-2J, ASTM A380, MS20819, SAE AS4841, SAE AS5176 | 5482K81 | 00000 |
| 1/4" | 3,000 psi @ 72° F | AN819-4J, ASTM A380, MS20819, SAE AS4841, SAE AS5176 | 5482K82 | 0000 |
| 3/8" | 3,000 psi @ 72° F | AN819-6J, ASTM A380, MS20819, SAE AS4841, SAE AS5176 | 5482K83 | 0000 |
| 1/2" | 3,000 psi @ 72° F | AN819-8J, ASTM A380, MS20819, SAE AS4841, SAE AS5176 | 5482K84 | 0000 |
| 3/4" | 3,000 psi @ 72° F | AN819-12J, ASTM A380, MS20819, SAE AS4841, SAE AS5176 | 5482K85 | 00000 |
| 1" | 3,000 psi @ 72° F | AN819-16J, ASTM A380, MS20819, SAE AS4841, SAE AS5176 | 5482K201 | 00000 |
316 Stainless Steel | ||||
| 1/4" | 3,000 psi @ 72° F | AN819-4K, ASTM A380, MS20819, SAE AS4841, SAE AS5176 | 5482K203 | 0000 |
| 3/8" | 3,000 psi @ 72° F | AN819-6K, ASTM A380, MS20819, SAE AS4841, SAE AS5176 | 5482K204 | 00000 |
| 1/2" | 3,000 psi @ 72° F | AN819-8K, ASTM A380, MS20819, SAE AS4841, SAE AS5176 | 5482K205 | 00000 |
| 3/4" | 3,000 psi @ 72° F | AN819-12K, ASTM A380, MS20819, SAE AS4841, SAE AS5176 | 5482K206 | 00000 |
| 1" | 3,000 psi @ 72° F | AN819-16K, ASTM A380, MS20819, SAE AS4841, SAE AS5176 | 5482K207 | 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.
Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through your wall or panel to create an inlet or outlet.
| For Tube OD | Material | Max. Pressure | Specifications Met | For Hole Dia. | For Max. Wall Thick. | Each | |
| 1/4" | 316 Stainless Steel | 3,000 psi @ 72° F | AN832-4K, ASTM A380, SAE AS9100D, SAE AS9104/1 | 7/16" | 3/32" | 5482K315 | 000000 |
| 3/8" | 316 Stainless Steel | 3,000 psi @ 72° F | AN832-6K, ASTM A380, SAE AS9100D, SAE AS9104/1 | 9/16" | 3/32" | 5482K316 | 00000 |
| 1/2" | 316 Stainless Steel | 3,000 psi @ 72° F | AN832-8K, ASTM A380, SAE AS9100D, SAE AS9104/1 | 3/4" | 1/8" | 5482K317 | 00000 |
| 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 | 5482K195 | 000000 |
| 3/8" | 316 Stainless Steel | 3,000 psi @ 72° F | AN818-6K, ASTM A380, SAE AS4841 | 5482K196 | 00000 |
| 1/2" | 316 Stainless Steel | 3,000 psi @ 72° F | AN818-8K, ASTM A380, SAE AS4841 | 5482K197 | 00000 |
| 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 | 5482K203 | 00000 |
| 3/8" | 316 Stainless Steel | 3,000 psi @ 72° F | AN819-6K, ASTM A380, MS20819, SAE AS4841 | 5482K204 | 00000 |
| 1/2" | 316 Stainless Steel | 3,000 psi @ 72° F | AN819-8K, ASTM A380, MS20819, SAE AS4841 | 5482K205 | 00000 |
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 withstand high pressure, so they’re often used in hydraulic applications. Made from 316 stainless steel, they resist corrosion from water and chemicals. A complete fitting requires a nut and a sleeve (ferrule) for each tube end. Nuts and sleeves are sold separately.
- For Use With: Air, Hydraulic Fluid, Isopropyl Alcohol, Natural Gas, Phosphoric Acid, Water
- Temperature Range: -420° to 1,200° F
Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through your wall or panel to create an inlet or outlet.
| For Tube OD | Material | Max. Pressure | For Hole Dia. | For Max. Wall Thick. | Each | |
| 1/4" | 316 Stainless Steel | 6,000 psi @ 72° F | 1/2" | 3/8" | 50715K581 | 000000 |
| 3/8" | 316 Stainless Steel | 6,000 psi @ 72° F | 5/8" | 7/16" | 50715K582 | 00000 |
| 1/2" | 316 Stainless Steel | 6,000 psi @ 72° F | 3/4" | 7/16" | 50715K583 | 00000 |
| 5/8" | 316 Stainless Steel | 6,000 psi @ 72° F | 15/16" | 7/16" | 50715K584 | 000000 |
| 3/4" | 316 Stainless Steel | 6,000 psi @ 72° F | 1 1/8" | 7/16" | 50715K585 | 000000 |
| 1" | 316 Stainless Steel | 4,500 psi @ 72° F | 1 3/8" | 7/16" | 50715K586 | 000000 |
- For Use With: Air, Hydraulic Fluid, Isopropyl Alcohol, Natural Gas, Phosphoric Acid, Water
- Temperature Range: -420° to 1,200° F
- For Use With: Air, Hydraulic Fluid, Isopropyl Alcohol, Natural Gas, Phosphoric Acid, Water
- Temperature Range: -420° to 1,200° F
Use these sleeves with a nut and fitting to provide a tight metal-to-metal seal on stainless steel tubing that is flared to 37°. Sleeves are 316 stainless steel for excellent corrosion resistance. They are also known as ferrules.
Inch × metric sleeve adapters convert the fitting from inch to metric.
For Tube OD | ||||
|---|---|---|---|---|
| Inch | Metric, mm | Sleeve Material | Each | |
Inch | ||||
| 1/4" | __ | 316 Stainless Steel | 50715K316 | 00000 |
| 3/8" | __ | 316 Stainless Steel | 50715K318 | 0000 |
| 1/2" | __ | 316 Stainless Steel | 50715K322 | 0000 |
| 5/8" | __ | 316 Stainless Steel | 50715K628 | 00000 |
| 3/4" | __ | 316 Stainless Steel | 50715K624 | 00000 |
| 1" | __ | 316 Stainless Steel | 50715K626 | 00000 |
Inch × Metric | ||||
| 1/4" | 6 | 316 Stainless Steel | 50715K369 | 00000 |
| 3/8" | 10 | 316 Stainless Steel | 50715K372 | 00000 |
| 1/2" | 12 | 316 Stainless Steel | 50715K373 | 00000 |
37° Flared Fittings for Steel Tubing
- For Use With: Air, Cutting Oil, Fuel Oil, Hydraulic Fluid, Mineral Oil
- Tubing: Use with seamless steel
- Specifications Met: 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 require a nut and a sleeve (ferrule) for each tube end. Nuts and sleeves are sold separately. Fittings are zinc-plated steel for fair corrosion resistance.
- Temperature Range: -60° to 400° F
Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through your wall or panel to create an inlet or outlet.
| For Tube OD | Material | Max. Pressure | Each | |
| 3/16" | Zinc-Plated Steel | 7,500 psi @ 72° F | 50695K761 | 000000 |
| 1/4" | Zinc-Plated Steel | 1,250 psi @ 72° F | 50695K343 | 0000 |
| 5/16" | Zinc-Plated Steel | 6,000 psi @ 72° F | 50695K762 | 00000 |
| 3/8" | Zinc-Plated Steel | 1,250 psi @ 72° F | 50695K344 | 00000 |
| 1/2" | Zinc-Plated Steel | 1,250 psi @ 72° F | 50695K345 | 00000 |
| 3/4" | Zinc-Plated Steel | 1,250 psi @ 72° F | 50695K346 | 00000 |
| 1" | Zinc-Plated Steel | 4,500 psi @ 72° F | 50695K763 | 00000 |
| 1 1/2" | Zinc-Plated Steel | 3,000 psi @ 72° F | 50695K764 | 00000 |
| 2" | Zinc-Plated Steel | 2,000 psi @ 72° F | 50695K765 | 000000 |
- Temperature Range: -60° to 400° F
Use these sleeves with a nut and fitting to provide a tight metal-to-metal seal on steel tubing that is flared to 37°. Sleeves are zinc-plated steel for fair corrosion resistance. They are also known as ferrules.
Inch × metric sleeve adapters convert the fitting from inch to metric.
For Tube OD | |||||
|---|---|---|---|---|---|
| Inch | Metric, mm | Sleeve Material | Max. Pressure | Each | |
Inch Sleeves | |||||
| 1/8" | __ | Zinc-Plated Steel | 5,000 psi @ 72° F | 50695K27 | 00000 |
| 1/4" | __ | Zinc-Plated Steel | 4,500 psi @ 72° F | 50695K216 | 000 |
| 5/16" | __ | Zinc-Plated Steel | 4,000 psi @ 72° F | 50695K627 | 000 |
| 3/8" | __ | Zinc-Plated Steel | 4,000 psi @ 72° F | 50695K218 | 000 |
| 1/2" | __ | Zinc-Plated Steel | 4,000 psi @ 72° F | 50695K222 | 0000 |
| 3/4" | __ | Zinc-Plated Steel | 3,000 psi @ 72° F | 50695K524 | 0000 |
| 1" | __ | Zinc-Plated Steel | 2,500 psi @ 72° F | 50695K526 | 0000 |
| 1 1/2" | __ | Zinc-Plated Steel | 1,500 psi @ 72° F | 50695K31 | 00000 |
Inch × Metric Sleeve Adapters | |||||
| 5/16" | 8 | Zinc-Plated Steel | 4,000 psi @ 72° F | 50695K112 | 0000 |
- Temperature Range: -60° to 400° F
| For Tube OD | Nut Material | Max. Pressure | Each | |
| 1/8" | Zinc-Plated Steel | 5,000 psi @ 72° F | 50695K33 | 00000 |
| 1/4" | Zinc-Plated Steel | 4,500 psi @ 72° F | 50695K224 | 000 |
| 5/16" | Zinc-Plated Steel | 4,000 psi @ 72° F | 50695K635 | 0000 |
| 3/8" | Zinc-Plated Steel | 4,000 psi @ 72° F | 50695K226 | 0000 |
| 1/2" | Zinc-Plated Steel | 4,000 psi @ 72° F | 50695K228 | 0000 |
| 3/4" | Zinc-Plated Steel | 3,000 psi @ 72° F | 50695K532 | 0000 |
| 1" | Zinc-Plated Steel | 2,500 psi @ 72° F | 50695K534 | 0000 |
| 1 1/2" | Zinc-Plated Steel | 1,500 psi @ 72° F | 50695K36 | 00000 |
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.
