Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.
Sleeves for 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: MIL-F-18866, SAE J514, ISO 8434
Use these sleeves with a nut and fitting to provide a tight metal-to-metal seal on copper tubing that is flared to 37°. Sleeves are brass for good corrosion resistance. They are also known as ferrules.
Sleeves for 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
Use these sleeves with precision AN nuts and fittings to provide a tight metal-to-metal seal on stainless steel tubing that is flared to 37°. They are also known as ferrules.
304 stainless steel sleeves have very good corrosion resistance. 316 stainless steel sleeves have excellent corrosion resistance.
| 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 |
| 5/16" | 3,000 psi @ 72° F | AN819-5J, ASTM A380, MS20819, SAE AS4841, SAE AS5176 | 5482K561 | 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 |
| 5/8" | 3,000 psi @ 72° F | AN819-10J, ASTM A380, MS20819, SAE AS4841, SAE AS5176 | 5482K562 | 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 | ||||
| 1/8" | 3,000 psi @ 72° F | AN819-2K, ASTM A380, MS20819, SAE AS4841, SAE AS5176 | 5482K202 | 0000 |
| 1/4" | 3,000 psi @ 72° F | AN819-4K, ASTM A380, MS20819, SAE AS4841, SAE AS5176 | 5482K203 | 0000 |
| 5/16" | 3,000 psi @ 72° F | AN819-5K, ASTM A380, MS20819, SAE AS4841, SAE AS5176 | 5482K563 | 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 |
| 5/8" | 3,000 psi @ 72° F | AN819-10K, ASTM A380, MS20819, SAE AS4841, SAE AS5176 | 5482K564 | 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 |
| 1 1/4" | 1,500 psi @ 72° F | AN819-20K, ASTM A380, MS20819, SAE AS4841, SAE AS5176 | 5482K565 | 00000 |
| 1 1/2" | 1,500 psi @ 72° F | AN819-24K, ASTM A380, MS20819, SAE AS4841, SAE AS5176 | 5482K566 | 00000 |
| 2" | 1,500 psi @ 72° F | AN819-32K, ASTM A380, MS20819, SAE AS4841, SAE AS5176 | 5482K567 | 00000 |
Sleeves for 37° Flared Fittings for Stainless Steel Tubing

- For Use With: Air, Hydraulic Fluid, Isopropyl Alcohol, Natural Gas, Phosphoric Acid, Water
- Temperature Range: -420° to 1,200° F
- Tubing: Use with seamless or welded 304 or 316 stainless steel that meets ASTM A213, ASTM A249, or ASTM A269
- Specifications Met: ISO 8434, SAE J514
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 | ||||
| 1/8" | __ | 316 Stainless Steel | 50715K417 | 00000 |
| 3/16" | __ | 316 Stainless Steel | 50715K368 | 0000 |
| 1/4" | __ | 316 Stainless Steel | 50715K316 | 0000 |
| 5/16" | __ | 316 Stainless Steel | 50715K627 | 0000 |
| 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 |
| 5/16" | 8 | 316 Stainless Steel | 50715K371 | 00000 |
| 3/8" | 10 | 316 Stainless Steel | 50715K372 | 00000 |
| 1/2" | 12 | 316 Stainless Steel | 50715K373 | 00000 |
Sleeves for 37° Flared Fittings for Steel Tubing

- For Use With: Air, Fuel Oil, Hydraulic Fluid, Mineral Oil
- Temp. Range: -60° to 400° F
- Tubing: Use with seamless steel
- Specifications Met: SAE J514
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 | |||||
| 1/4" | __ | Zinc-Plated Steel | 4,500 psi @ 72° F | 50695K216 | 00000 |
| 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 |
| 5/8" | __ | Zinc-Plated Steel | 3,000 psi @ 72° F | 50695K628 | 0000 |
| 3/4" | __ | Zinc-Plated Steel | 3,000 psi @ 72° F | 50695K524 | 0000 |
| 1" | __ | Zinc-Plated Steel | 2,500 psi @ 72° F | 50695K526 | 0000 |
Inch × Metric Sleeve Adapters | |||||
| 1/4" | 6 | Zinc-Plated Steel | 4,500 psi @ 72° F | 50695K111 | 000 |
| 5/16" | 8 | Zinc-Plated Steel | 4,000 psi @ 72° F | 50695K112 | 0000 |
| 3/8" | 10 | Zinc-Plated Steel | 4,000 psi @ 72° F | 50695K113 | 0000 |
| 1/2" | 12 | Zinc-Plated Steel | 4,000 psi @ 72° F | 50695K114 | 0000 |
| 5/8" | 14 | Zinc-Plated Steel | 3,000 psi @ 72° F | 50695K115 | 0000 |
| 5/8" | 16 | Zinc-Plated Steel | 3,000 psi @ 72° F | 50695K117 | 00000 |
| 7/8" | 20 | Zinc-Plated Steel | 2,500 psi @ 72° F | 50695K119 | 00000 |
Sleeves for 37° Flared Fittings for Aluminum Tubing

- For Use With: Air, Coolant, Gasoline, Hydraulic Fluid, Water
- Temperature Range: -60° to 350° F
- Tubing: Use with seamless aluminum
Use these sleeves with a nut and fitting to provide a tight metal-to-metal seal on aluminum tubing that is flared to 37°. Sleeves are aluminum, which is lightweight with good corrosion resistance. They are also known as ferrules
| For Tube OD | Sleeve Material | Max. Pressure | Each | |
| 3/16" | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 2227K95 | 00000 |
| 1/4" | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 2227K71 | 0000 |
| 3/8" | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 2227K72 | 0000 |
| 1/2" | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 2227K73 | 0000 |
| 5/8" | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 2227K76 | 0000 |
| 3/4" | Anodized 2024 Aluminum | 3,000 psi @ 72° F | 2227K74 | 0000 |
| 1" | Anodized 2024 Aluminum | 1,500 psi @ 72° F | 2227K75 | 0000 |

























