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DFARS Specialty Metals
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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Compression Fittings for Steel Tubing
- For Use With: Inch: Air, Hydraulic Fluid, Water
Metric: Hydraulic Fluid - Tubing: Inch: Use with welded steel
Metric: Use with seamless steel - Specifications Met: Inch: SAE J514
Metric: ISO 8434, DIN 2353
A single sleeve (ferrule) bites into tubing as you tighten the nut, creating a strong seal. The nut and sleeve are included. Fittings are also known as flareless and bite fittings.
Zinc-plated steel fittings have fair corrosion resistance.
ISO 8434 (formerly DIN 2353) fittings meet international standards for tube fitting pressures.
For technical drawings and 3-D models, click on a part number.
Straight Adapters, Tube × Male Threaded Pipe
- Temperature Range: See table
For Tube | ||||||||
|---|---|---|---|---|---|---|---|---|
| OD | Wall Thick. | Thread Size  | Thread Pitch | Material | Max. Pressure | Temp. Range, °F | Each | |
Metric Taper Threads | ||||||||
| 4mm | Not Rated | M8 | 1 mm | Zinc-Plated Steel | 1,400 psi @ 72° F | -20° to 230° | 00000000 | 00000 |
| 6mm | Not Rated | M10 | 1 mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 0000 |
| 8mm | Not Rated | M12 | 1.5 mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 0000 |
| 10mm | Not Rated | M14 | 1.5 mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 00000 |
| 12mm | Not Rated | M16 | 1.5 mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 00000 |
90° Elbow Adapters, Tube × Male Threaded Pipe
- Temperature Range: See table
For Tube | ||||||||
|---|---|---|---|---|---|---|---|---|
| OD | Wall Thick. | Thread Size | Thread Pitch | Material | Max. Pressure | Temp. Range, °F | Each | |
Metric Taper Threads | ||||||||
| 6mm | Not Rated | M10 | 1 mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 000000 |
| 8mm | Not Rated | M12 | 1.5 mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 00000 |
| 10mm | Not Rated | M14 | 1.5 mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 00000 |
| 12mm | Not Rated | M16 | 1.5 mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 00000 |
Nuts
- Temperature Range: See table
| For Tube OD | Nut Material | Max. Pressure | Temp. Range, °F | Each | |
| 6mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 00000 |
| 8mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 0000 |
| 10mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 0000 |
| 12mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 0000 |
Sleeves
- Temperature Range: See table
| For Tube OD | Sleeve Material | Max. Pressure | Temp. Range, °F | Each | |
| 6mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 00000 |
| 8mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 000 |
| 10mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 000 |
| 12mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 000 |