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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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For Conduit Material For Conduit Material |
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For Adapting For Adapting |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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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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About Conduit
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Inch-to-NPT Male-Female Hex Thread Adapters with Through Hole
The through hole allows you to connect float rods to float valves.
Brass adapters have good strength and corrosion resistance.
316 stainless steel adapters have the best corrosion resistance. They stand up to wet environments, salt water, and harsh chemicals.
For technical drawings and 3-D models, click on a part number.
Thread Type | Thread Lg. | Gender | Hex | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size (A) | Thread Size (B) | (A) | (B) | (A) | (B) | (A) | (B) | Thread Fit (B) | Size | Lg. | Each | |
Brass | ||||||||||||
| 1/4 | 1/4"-20 | NPT | UNC | 7/16" | 5/8" | Male | Female | Class 2B | 9/16" | 3/16" | 0000000 | 00000 |
| 3/8 | 1/4"-20 | NPT | UNC | 1/2" | 11/16" | Male | Female | Class 2B | 11/16" | 3/16" | 0000000 | 0000 |
| 3/8 | 5/16"-18 | NPT | UNC | 1/2" | 11/16" | Male | Female | Class 2B | 11/16" | 3/16" | 0000000 | 0000 |
| 3/8 | 3/8"-16 | NPT | UNC | 1/2" | 11/16" | Male | Female | Class 2B | 11/16" | 3/16" | 0000000 | 0000 |
| 1/2 | 1/4"-20 | NPT | UNC | 9/16" | 13/16" | Male | Female | Class 2B | 7/8" | 1/4" | 0000000 | 0000 |
| 1/2 | 5/16"-18 | NPT | UNC | 9/16" | 13/16" | Male | Female | Class 2B | 7/8" | 1/4" | 0000000 | 0000 |
| 1/2 | 3/8"-16 | NPT | UNC | 9/16" | 13/16" | Male | Female | Class 2B | 7/8" | 1/4" | 0000000 | 0000 |
| 3/4 | 1/4"-20 | NPT | UNC | 5/8" | 15/16" | Male | Female | Class 2B | 1 1/16" | 5/16" | 0000000 | 0000 |
| 3/4 | 5/16"-18 | NPT | UNC | 5/8" | 15/16" | Male | Female | Class 2B | 1 1/16" | 5/16" | 0000000 | 0000 |
| 3/4 | 3/8"-16 | NPT | UNC | 5/8" | 15/16" | Male | Female | Class 2B | 1 1/16" | 5/16" | 0000000 | 0000 |
316 Stainless Steel | ||||||||||||
| 3/8 | 1/4"-20 | NPT | UNC | 11/16" | 1" | Male | Female | Class 2B | 11/16" | 5/16" | 0000000 | 00000 |
| 3/8 | 5/16"-18 | NPT | UNC | 11/16" | 1" | Male | Female | Class 2B | 11/16" | 5/16" | 0000000 | 00000 |
| 3/8 | 3/8"-16 | NPT | UNC | 11/16" | 1" | Male | Female | Class 2B | 11/16" | 5/16" | 0000000 | 00000 |
| 1/2 | 3/8"-16 | NPT | UNC | 3/4" | 1 1/16" | Male | Female | Class 2B | 7/8" | 5/16" | 0000000 | 00000 |
Male-Female Round Universal Thread Adapters with Through Hole
Connect male- and female-threaded parts of different thread types and sizes, while allowing air, liquids, wire, or other thin materials to pass through. Attach your parts to these adapters and use a hex key to secure the connection. Made of 304 stainless steel, all will hold up in wet environments. O-rings on each side create a tight seal, making them good for vacuum and compressed-air applications.
For technical drawings and 3-D models, click on a part number.
Pipe Size | Thread Type | Thread Length | Gender | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (A) | (B) | Thread Size (B) | (A) | (B) | (A) | (B) | (A) | (B) | Hex Size | OD | Tensile Strength, psi | Hardness | O-Ring Material | Each | |
304 Stainless Steel | |||||||||||||||
| 3/8 | __ | 10-32, M5 | BSPP, BSPT, NPT, NPTF, Universal | BSPP, BSPT, NPT, NPTF, Metric, UNF, Universal | 0.25" | 9/64" | Male | Female | 13/64" | 27/32" | 73,000 | Rockwell B70 | Buna-N Rubber | 00000000 | 000000 |
| 3/8 | 1/4 | __ | BSPP, BSPT, NPT, NPTF, Universal | BSPP, BSPT, NPT, NPTF, Universal | 0.25" | 1/4" | Male | Female | 13/64" | 27/32" | 73,000 | Rockwell B70 | Buna-N Rubber | 00000000 | 00000 |
| 3/8 | 1/8 | __ | BSPP, BSPT, NPT, NPTF, Universal | BSPP, BSPT, NPT, NPTF, Universal | 0.25" | 1/4" | Male | Female | 13/64" | 27/32" | 73,000 | Rockwell B70 | Buna-N Rubber | 00000000 | 00000 |
Inch-to-NPT Male-Female Hex Thread Adapters
Adapters are brass, which has good strength and corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Male Round Universal Thread Adapters with Through Hole
Join two female-threaded parts of various thread types and sizes, while allowing air, liquids, wire, or other thin materials to pass through. Attach your parts to these adapters and use a hex key to secure the connection. Made of 304 stainless steel, all will hold up in wet environments. O-rings on each side create a tight seal, making them good for vacuum and compressed-air applications.
For technical drawings and 3-D models, click on a part number.
Pipe Size | Thread Type | Thread Length | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (A) | (B) | Thread Size (B) | (A) | (B) | (A) | (B) | Hex Size | OD | Tensile Strength, psi | Hardness | O-Ring Material | Each | |
304 Stainless Steel | |||||||||||||
| 3/8 | __ | 10-32, M5 | BSPP, BSPT, NPT, NPTF, Universal | BSPP, BSPT, NPT, NPTF, Metric, UNF, Universal | 0.25" | 13/64" | 13/64" | 27/32" | 73,000 | Rockwell B70 | Buna-N Rubber | 00000000 | 000000 |
| 3/8 | 1/4 | __ | BSPP, BSPT, NPT, NPTF, Universal | BSPP, BSPT, NPT, NPTF, Universal | 0.25" | 1/4" | 13/64" | 27/32" | 73,000 | Rockwell B70 | Buna-N Rubber | 00000000 | 00000 |
| 3/8 | 1/8 | __ | BSPP, BSPT, NPT, NPTF, Universal | BSPP, BSPT, NPT, NPTF, Universal | 0.25" | 1/4" | 13/64" | 27/32" | 73,000 | Rockwell B70 | Buna-N Rubber | 00000000 | 00000 |
| 3/8 | 3/8 | __ | BSPP, BSPT, NPT, NPTF, Universal | BSPP, BSPT, NPT, NPTF, Universal | 0.25" | 1/4" | 13/64" | 27/32" | 73,000 | Rockwell B70 | Buna-N Rubber | 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.
Locknuts thread onto the male end of a fitting to provide extra holding power so the fitting won’t loosen from vibration.
For technical drawings and 3-D models, click on a part number.
Low-Pressure Plated Brass Threaded Pipe Fittings
Used in low-pressure pipe lines, these brass fittings have a plating that makes them shiny and improves corrosion resistance.
Chrome-plated brass fittings are shinier and withstand corrosion better than nickel-plated brass fittings.
Locknuts thread onto the male end of a fitting to provide extra holding power so the fitting won’t loosen from vibration.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Natural Gas, Oil, Steam, Water
- Pressure Class: 125
- Specifications Met: ASTM B456
- Pipe Nipples and Pipe: Use Schedule 40 brass
| Pipe Size | Max. Pressure | Max. Steam Pressure | Each | |
NPT Female | ||||
|---|---|---|---|---|
Chrome-Plated Brass | ||||
| 1/8 | 200 psi @ 72° F | 125 psi @ 400° F | 00000000 | 000000 |
| 1/4 | 200 psi @ 72° F | 125 psi @ 400° F | 00000000 | 00000 |
| 3/8 | 200 psi @ 72° F | 125 psi @ 400° F | 00000000 | 00000 |
| 1/2 | 200 psi @ 72° F | 125 psi @ 400° F | 00000000 | 00000 |
| 3/4 | 200 psi @ 72° F | 125 psi @ 400° F | 00000000 | 00000 |
| 1 | 200 psi @ 72° F | 125 psi @ 400° F | 00000000 | 00000 |
Extreme-Pressure Stainless Steel Threaded Pipe Fittings
With the strength to handle extreme pressures, these fittings can be used to connect equipment in hydraulic fluid lines.
303 stainless steel fittings have very good corrosion resistance.
Locknuts have a gasket, which creates a tight seal without the need for PTFE tape; screw one onto the male end of a fitting for extra holding power.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Hydraulic Fluid, Natural Gas, Oil, Water
- Temperature Range: -300° to 500° F
303 Stainless Steel | |||||||
|---|---|---|---|---|---|---|---|
| Pipe Size | Dash Size | Hex Wd. | Lg. | Gasket Material | Max. Pressure | Each | |
NPT Female | |||||||
| 1/8 | 02 | 5/8" | 3/16" | PTFE Plastic | 10,000 psi @ 72° F | 0000000 | 000000 |
| 1/4 | 04 | 3/4" | 9/32" | PTFE Plastic | 10,000 psi @ 72° F | 0000000 | 00000 |
| 3/8 | 06 | 7/8" | 9/32" | PTFE Plastic | 10,000 psi @ 72° F | 0000000 | 00000 |
| 1/2 | 08 | 1 1/8" | 19/64" | PTFE Plastic | 10,000 psi @ 72° F | 0000000 | 00000 |
| 3/4 | 12 | 1 5/16" | 19/64" | PTFE Plastic | 5,000 psi @ 72° F | 0000000 | 000000 |
| 1 | 16 | 1 5/8" | 25/64" | PTFE Plastic | 5,000 psi @ 72° F | 0000000 | 000000 |
| 1 1/4 | 20 | 2" | 25/64" | PTFE Plastic | 5,000 psi @ 72° F | 0000000 | 000000 |
| 1 1/2 | 24 | 2 1/4" | 25/64" | PTFE Plastic | 3,000 psi @ 72° F | 0000000 | 000000 |
| 2 | 32 | 2 3/4" | 27/64" | PTFE Plastic | 3,000 psi @ 72° F | 0000000 | 000000 |
Extreme-Pressure Steel Threaded Pipe Fittings
The strongest steel fittings we offer, these can withstand extreme-pressure applications.
Galvanized and zinc-plated steel fittings have better corrosion resistance than plain steel fittings. PTFE-coated steel fittings have better corrosion resistance than galvanized and zinc-plated steel fittings.
Locknuts thread onto the male end of a fitting to provide extra holding power so the fitting won’t loosen from vibration.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Hydraulic Fluid, Natural Gas, Oil, Steam, Water
- Temperature Range: -100° to 500° F
- Pipe Nipples and Pipe: Use Schedule XXH steel
- Flanges: Use Class 1500 steel
| Pipe Size | Dash Size | Max. Pressure | Max. Steam Pressure | Material | Each | |
NPT Female | ||||||
|---|---|---|---|---|---|---|
| 1/8 | 02 | 10,000 psi @ 72° F | 5,000 psi @ 500° F | Galvanized Steel | 0000000 | 000000 |
| 1/4 | 04 | 10,000 psi @ 72° F | 5,000 psi @ 500° F | Galvanized Steel | 0000000 | 00000 |
| 3/8 | 06 | 10,000 psi @ 72° F | 5,000 psi @ 500° F | Galvanized Steel | 0000000 | 00000 |
| 1/2 | 08 | 10,000 psi @ 72° F | 5,000 psi @ 500° F | Galvanized Steel | 0000000 | 00000 |
| 3/4 | 12 | 5,000 psi @ 72° F | 5,000 psi @ 500° F | Galvanized Steel | 0000000 | 00000 |
| 1 | 16 | 5,000 psi @ 72° F | 5,000 psi @ 500° F | Galvanized Steel | 0000000 | 00000 |
| 1 1/4 | 20 | 5,000 psi @ 72° F | 5,000 psi @ 500° F | Galvanized Steel | 0000000 | 00000 |
| 1 1/2 | 24 | 3,000 psi @ 72° F | 5,000 psi @ 500° F | Galvanized Steel | 0000000 | 00000 |
| 2 | 32 | 3,000 psi @ 72° F | 5,000 psi @ 500° F | Galvanized Steel | 0000000 | 000000 |
Locknuts for Plastic Conduit Fittings
Secure threaded plastic conduit fittings to a knockout in an outlet box or enclosure.
For technical drawings and 3-D models, click on a part number.
Sink Drain Compression Tube Adapters
Thread Adapters for Drum Openings
Convert drum openings with metric or BSPP threads to a 2 NPT pipe size.
M64 inlet thread size is also known as Buttress threads. M70 inlet thread size is also known as Mauser threads.
Inlet | Outlet | ||||||
|---|---|---|---|---|---|---|---|
| Pipe/Thread Size | Gender | Pipe Size | Gender | Seal Material | Max. Temp., °F | Each | |
Polypropylene Plastic | |||||||
| 2 BSPP | Male | 2 NPT | Female | EPDM Rubber | 125° | 0000000 | 000000 |
| M56 Metric | Male | 2 NPT | Female | EPDM Rubber | 125° | 0000000 | 00000 |
| M60 Metric | Male | 2 NPT | Female | EPDM Rubber | 125° | 0000000 | 00000 |
| M64 Metric | Male | 2 NPT | Female | EPDM Rubber | 125° | 000000 | 00000 |
| M70 Metric | Male | 2 NPT | Female | EPDM Rubber | 125° | 000000 | 00000 |
316 Stainless Steel | |||||||
| 2 BSPP | Male | 2 NPT | Female | __ | 250° | 0000000 | 000000 |
| M56 Metric | Male | 2 NPT | Female | __ | 250° | 0000000 | 000000 |
| M60 Metric | Male | 2 NPT | Female | __ | 250° | 0000000 | 000000 |
| M64 Metric | Male | 2 NPT | Female | __ | 250° | 0000000 | 000000 |
| M70 Metric | Male | 2 NPT | Female | __ | 250° | 0000000 | 000000 |