Clear All
System of Measurement System of Measurement |
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Material Material |
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Type Type |
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![]() | Adapter |
Mount Type Mount Type |
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![]() | Through Wall |
Pipe Size Pipe Size |
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Maximum Temperature Maximum Temperature |
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Shape Shape |
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![]() | Straight |
Thread Type Thread Type | Show |
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Thread Type Thread Type | Hide |
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Number of Barbs Number of Barbs |
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![]() | Single |
For Hole Diameter For Hole Diameter |
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Barbed Connection Type Barbed Connection Type |
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![]() | Clamp On |
Gender Gender |
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For Tube Hardness Rating For Tube Hardness Rating |
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![]() | Firm |
Maximum Vacuum Maximum Vacuum |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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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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Tight-Seal Plastic Barbed Tube Fittings for Air and Water
Minimize leaks in your line—these fittings have a single barb that creates a smooth clamping surface for extra-tight connections. Fittings are nylon for excellent impact and abrasion resistance.
NPSM (National Pipe Straight Mechanical) male threads are compatible with NPSM and NPSH threads.
For technical drawings and 3-D models, click on a part number.
Through-Wall Straight Adapters, Tube × Male Threaded Pipe

- Temperature Range: -50° to 275° F
- Tubing: Use with firm (Durometer 75A-80A) polyurethane rubber or PVC plastic
- Clarity: Black: Opaque; White: Semi-Clear
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 ID | Pipe Size | Material | Max. Pressure | For Hole Dia. | For Max. Wall Thick. | Pkg. Qty. | Choose a Color | Pkg. | |
NPSM Threads | |||||||||
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5/32" | 1/4 | Nylon Plastic | Not Rated | 1/2" | 19/32" | 10 | 0000000 | 000000 | |
3/16" | 1/4 | Nylon Plastic | Not Rated | 1/2" | 19/32" | 10 | 0000000 | 00000 | |
1/4" | 1/4 | Nylon Plastic | Not Rated | 1/2" | 19/32" | 10 | 0000000 | 00000 | |
5/16" | 1/4 | Nylon Plastic | Not Rated | 1/2" | 19/32" | 10 | 0000000 | 00000 | |
3/8" | 1/4 | Nylon Plastic | Not Rated | 1/2" | 19/32" | 10 | 0000000 | 00000 | |
1/2" | 1/4 | Nylon Plastic | Not Rated | 1/2" | 19/32" | 10 | 0000000 | 00000 |