Thread Type Thread Type | Show |
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Mount Type Mount Type |
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 | Through Wall |
Color Color |
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 | White |
Drum Plug Type Drum Plug Type |
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For Use With For Use With |
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Connection Type Connection Type |
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 | Pipe |
Connection Style Connection Style |
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| Threaded |
Shape Shape |
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 | Straight |
Maximum Pressure Maximum Pressure |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Seal Material Seal Material |
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Finish Finish |
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Fabrication Fabrication |
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Maximum Temperature Maximum Temperature |
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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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High-Pressure Plated Brass Threaded Pipe Fittings
The plating on these brass fittings creates a shiny finish and provides extra protection in corrosive environments. Fittings have the strength to handle high-pressure applications.
Nickel-plated brass fittings provide better corrosion resistance than unplated brass fittings.
Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through a wall or panel to create an inlet or outlet.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Natural Gas, Oil, Water
Nickel-Plated Brass | |||||
|---|---|---|---|---|---|
| Pipe Size  | Thread Size | For Max. Wall Thick. | Max. Pressure | Each | |
BSPP Female × Metric Male | |||||
| 1/8 | M16 × 1.5 mm | 0.087" | 2,170 psi @ 72° F | 00000000 | 00000 |
| 1/4 | M20 × 1.5 mm | 0.098" | 1,450 psi @ 72° F | 00000000 | 0000 |
| 3/8 | M26 × 1.5 mm | 0.148" | 1,080 psi @ 72° F | 00000000 | 0000 |
| 1/2 | M28 × 1.5 mm | 0.102" | 725 psi @ 72° F | 00000000 | 0000 |
| 3/4 | M33 × 1.5 mm | 0.093" | 1,230 psi @ 72° F | 00000000 | 00000 |
- For Use With: Air, Natural Gas, Oil, Water
Thread Size | Nickel-Plated Brass | ||||
|---|---|---|---|---|---|
| (A) | (B) | For Max. Wall Thick. | Max. Pressure | Each | |
Metric Male × Metric Female | |||||
| M10 × 1 mm | M5 × 0.8 mm | 0.074" | 1,080 psi @ 72° F | 00000000 | 00000 |
High-Pressure Brass Threaded Pipe Fittings
These fittings have the strength to handle high-pressure applications. They are brass for good corrosion resistance.
Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through a wall or panel to create an inlet or outlet.
For technical drawings and 3-D models, click on a part number.
- For Use With:
NPT Threads: Air, Water
BSPP and Metric Threads: Air, Natural Gas, Oil, Water - Specifications Met: See table
| Thread Size | For Hole Dia. | For Max. Wall Thick. | Max. Pressure | Specifications Met | Each | |
Metric Female | ||||||
|---|---|---|---|---|---|---|
| M5 × 0.8 mm | 7/16" | 17/64" | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 000000 |
Nuts for High-Pressure Nipples for Compressed Gas
Slide a high-pressure hose nipple for compressed gas into one of these nuts to connect a pipe to the inlet of a pressure regulator. They are also known as CGA (Compressed Gas Association) nuts and inlet nuts.
Brass nuts have good corrosion resistance and are softer than 316 stainless steel nuts, so they're easier to thread together. Aluminum-plated brass nuts have better corrosion and wear resistance than unplated brass.
Note: Nuts have a CGA, BS, or DIN number that corresponds to a specific type of gas. Choose a nut with the same number as your tank and other system components.
For technical drawings and 3-D models, click on a part number.
- Maximum Pressure: See table
- Maximum Temperature: 120° F, except DIN 477 No. 9: 250° F
| Number | Thread Size | Thread Type | Thread Direction | Max. Pressure | For Use With | Each | |
Aluminum-Plated Brass | |||||||
|---|---|---|---|---|---|---|---|
| DIN 477 No. 6 | W 21.8 | Metric | Right Hand | 3,000 psi @ 72° F | Argon, Carbon Dioxide, Cyclobutane, Dichlorotetrafluoroethane, Helium, Krypton, Sulfur Hexafluoride, Trifluoroethane, Xenon | 000000000 | 000000 |
Drum Plugs
For installation and removal of these plugs, use drum-plug wrenches.
Style D have a M64 thread size, which is also known as Buttress threads.
Drum-plug caps (sold separately) fit over drum plugs to provide dust protection as well as evidence of tampering. They have a breakaway seal and are for one-time use.