Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Global industrial sourcing · Houston, Texas info@mropartsrfq.com
Reference imageConfirm configuration by manufacturer part number.
Festo
578404
Plug screw NPQH-BK-M5-P10
The Festo part number 578404 is a standard plug screw featuring an M5 external thread, an internal hex AF2.5 mounting type, and a sealing ring. This component operates across a pressure range of -0.95 bar to 20 bar for compressed air and up to 0.6 MPa for water at 0 to 50 °C, with a nominal tightening torque of 1 Nm. Constructed with corrosion resistance class 3 and a product weight of 0.8 g, it supports an ambient temperature range of 0 °C to 150 °C and is supplied in a pack size of 10. Submit your exact part number, quantity, and application requirements to request a quote.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a QuoteWhy no listed price?
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
- Manufacturer
- Festo
- Part number
- 578404
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 578404.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Size
- Standard
- Type of seal on screwed plug
- Sealing ring
- Mounting position
- Any
- Design
- Plug screw
- Pack size
- 10
- Operating pressure for entire temperature range
- -0.095 MPa...2 MPa | -0.95 bar...20 bar | -13.775 psi...290 psi
- Information on operating pressure
- Water: max. 0.6 MPa at 0 - 50 °C
- Certicate issuing authority
- NSF C0523185
- Operating medium
- Compressed air as per ISO 8573-1:2010 [7:-:-] | Water (liquid, ice-free)
- Information on operating and pilot media
- Lubricated operation possible
- Corrosion resistance class (CRC)
- 3 - High corrosion stress
- LABS (PWIS) conformity
- VDMA24364-B1/B2-L
- Cleanroom suitability, measured according to ISO 14644-14
- Statically installed element, no meaningful evaluation possible | according to ISO 14644-1
- For use in the food industry
- See declaration of conformity | NSF/ANSI 169
- Ambient temperature
- 0 °C...150 °C
- Nominal tightening torque
- 1 Nm
- Tolerance for nominal tightening torque
- ±20%
- Product weight
- 0.8 g
- Type of mounting
- Internal hex AF2.5
- Pneumatic connection 1
- External thread M5
- Note on materials
- RoHS compliant
- Housing material
- Brass, chemically nickel-plated
- Material of threaded seal
- FPM
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against Festo 578404. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.