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PU-C Straight Push-In Fitting Kit - 100 Fittings, 4/6/8mm OD
One fixed assortment of PU straight unions. The exact model quantities and any included box are listed in the contents table.
Applications & specifications · Quick order all packs
Ships from China · 5–7 calendar days preparation. Shipping · Returns

PU-C Straight Push-In Fitting Kit - 100 Fittings, 4/6/8mm OD
Join compatible equal-size pneumatic tubing in a straight line. Select the correct tube outside diameter and connection mechanism.
Included in one sales unit
1 boxed assortment. The supplied box is included.
| Included model | Tube OD | Quantity per kit |
|---|---|---|
| PU-4 | 4 mm | 50 |
| PU-6 | 6 mm | 30 |
| PU-8 | 8 mm | 20 |
One fixed assortment contains exactly the model quantities listed; the pack selector counts complete kits.
Model & Reference Codes
| Original shipping SKU | PU-C-KIT |
|---|---|
| Supplier model reference | PU-C-KIT |
| Connection type | Fixed PU Straight-Union Assortment |
| Sales unit | 1 boxed assortment |
| Material / construction | Black polymer bodies with blue release collars |
| Connection size | 4/6/8 mm tube outside diameter |
| Equipment-port thread | None; connects tubing to tubing |
| Unit weight | 0.39 kg |
| Fitting count | 100 |
| Storage box | Included; excluded from fitting count |


Connect and inspect.
Isolate and fully depressurize the line. Match tube outside diameter. Cut tube square and remove debris. Push both tubes fully into the matching collars and pull gently to check retention. To disconnect, depressurize, press the release collar evenly and withdraw the tube. Restore air gradually and check for leaks. Tubing, tools and equipment are not included.
Pack quantities
Choose 1 / 2 / 10 kits per pack. Quantity counts packs. Physical sales units equal pack size multiplied by number of packs. Displayed pack prices include the shown savings.
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Find your matching configuration
Straight Union Fittings (PU)
PU straight unions join equal-size tubing in line. Choose the mechanism and diameter, or compare the exact contents of one fixed kit.
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