Festo NPQH Series Straight Threaded Adaptor, G 1/8 Male to Push In 4 mm, Threaded-to-Tube Connection Style, 578338
- RS Stock No.:
 - 125-9597
 - Distrelec Article No.:
 - 304-10-223
 - Mfr. Part No.:
 - NPQH-D-G18-Q4-P10
 - Brand:
 - Festo
 
Subtotal (1 bag of 10 units)*
£24.27
(exc. VAT)
£29.12
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 25 unit(s) ready to ship from another location
 - Plus 21 unit(s) shipping from 07 November 2025
 
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Bag(s)  | Per Bag  | Per unit*  | 
|---|---|---|
| 1 + | £24.27 | £2.427 | 
*price indicative
- RS Stock No.:
 - 125-9597
 - Distrelec Article No.:
 - 304-10-223
 - Mfr. Part No.:
 - NPQH-D-G18-Q4-P10
 - Brand:
 - Festo
 
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all  | Attribute | Value | 
|---|---|---|
| Brand | Festo | |
| Connector A | G 1/8 Male | |
| Connector B | Push In 4 mm | |
| Pneumatic Fitting Type | Straight Threaded Adaptor | |
| Connection Style | Threaded-to-Tube | |
| Manufacturer Series | NPQH | |
| Model Number p | 578338 | |
| Thread Material | Brass | |
| Mounting Type | Inline | |
| Food Grade | Yes | |
| Maximum Operating Temperature | +150°C | |
| Chemical Resistant | Yes | |
| Finish | Nickel Plated | |
| Maximum Operating Pressure | 20 bar | |
| Body Material | Brass | |
| Minimum Operating Temperature | 0°C | |
| Standards Met | ANSI/NSF 51, FDA 21 CFR 177.1595, FDA 21 CFR 177.2600, NSF H1 Reg. No. 128787 | |
| Select all | ||
|---|---|---|
Brand Festo  | ||
Connector A G 1/8 Male  | ||
Connector B Push In 4 mm  | ||
Pneumatic Fitting Type Straight Threaded Adaptor  | ||
Connection Style Threaded-to-Tube  | ||
Manufacturer Series NPQH  | ||
Model Number p 578338  | ||
Thread Material Brass  | ||
Mounting Type Inline  | ||
Food Grade Yes  | ||
Maximum Operating Temperature +150°C  | ||
Chemical Resistant Yes  | ||
Finish Nickel Plated  | ||
Maximum Operating Pressure 20 bar  | ||
Body Material Brass  | ||
Minimum Operating Temperature 0°C  | ||
Standards Met ANSI/NSF 51, FDA 21 CFR 177.1595, FDA 21 CFR 177.2600, NSF H1 Reg. No. 128787  | ||
- COO (Country of Origin):
 - IT
 
Festo NPQH Series Pneumatic Fitting, G 1/8 Male Connector, Push-In 4mm Connector - NPQH-D-G18-Q4-P10 , Numeric Part Number:578338
This pneumatic fitting is a straight threaded adaptor designed for efficient inline pneumatic connections. It comprises a G 1/8 male connector and a push-in 4mm connector, allowing simple and reliable tubing solutions. Made from brass with a nickel-plated finish, this fitting is suitable for various applications requiring high performance.
Features & Benefits
• Excellent durability stemming from high-quality brass construction 
• Provides a reliable connection with a G 1/8 male fitting
• Designed for ease of connection with push-in 4mm tubing
• Functions effectively within a temperature range of 0 °C to +150 °C
• Chemical resistant and food-grade for diverse applications
• Supports high operating pressures of up to 20 bar
• Provides a reliable connection with a G 1/8 male fitting
• Designed for ease of connection with push-in 4mm tubing
• Functions effectively within a temperature range of 0 °C to +150 °C
• Chemical resistant and food-grade for diverse applications
• Supports high operating pressures of up to 20 bar
Applications
• Used with automated machinery requiring pneumatic connections 
• Suitable for food processing equipment needing compliance
• Ideal for systems involving compressed air and water
• Utilised in laboratory environments for cleanroom usage
• Suitable for food processing equipment needing compliance
• Ideal for systems involving compressed air and water
• Utilised in laboratory environments for cleanroom usage
What is the maximum operating pressure for this fitting?
The fitting can handle a maximum operating pressure of 20 bar, making it suitable for high-pressure applications. This ensures reliability in demanding environments.
How does the material selection enhance the fitting's performance?
The brass construction with a nickel-plated finish offers excellent corrosion resistance and durability, enabling it to withstand high-stress conditions while maintaining integrity over time.
Can it be used for both compressed air and liquid applications?
Yes, the fitting is designed for use with compressed air and ice-free liquid water, making it versatile for various industries that require flexibility in media transport.
Related links
- Festo NPQH Series Straight Threaded Adaptor Threaded-to-Tube Connection Style, 578374
 - Festo Straight Threaded Adaptor Threaded-to-Tube Connection Style, 558661
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 - Festo NPQH Series Elbow Threaded Adaptor Threaded-to-Tube Connection Style, 578263
 - Festo NPQH Series Straight Threaded Adaptor Threaded-to-Tube Connection Style, 578339
 - Festo NPQH Series Straight Threaded Adaptor Threaded-to-Tube Connection Style, 578340
 - Festo NPQH Series Straight Threaded Adaptor Threaded-to-Tube Connection Style, 578360
 - Festo NPQH Series Straight Threaded Adaptor Threaded-to-Tube Connection Style, 578362
 

