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
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Festo
153771
Bulkhead push-in fitting QSSF-1/4-1/4-U
The Festo 153771 is a standard bulkhead industrial component featuring a 5.3 mm nominal width and a push-pull structural design utilizing a gray releasing ring. This part connects a 1/4 NPT internal thread to pneumatic tubing with a 1/4" outer diameter, supported by an 11/16 external hexagon mounting type with a coated screwed plug seal. Operating within a pressure range of -0.95 bar to 10 bar (-13.775 psi to 145 psi) and an ambient temperature span of -10 °C to 60 °C (14 °F to 140 °F), it accommodates compressed air per ISO 8573-1:2010 [7:-:-] with optional lubricated operation. Please submit the exact part number, quantity, and application requirements to receive 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
- 153771
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 153771.
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
- Nominal width
- 5.3 mm
- Type of seal on screwed plug
- Coating
- Mounting position
- Any
- Design
- Bulkhead
- Pack size
- 1
- Structural design
- Push-pull principle
- Operating pressure for entire temperature range
- -0.095 MPa...1 MPa | -0.95 bar...10 bar | -13.775 psi...145 psi
- Maritime classication
- See certicate
- Operating medium
- Compressed air as per ISO 8573-1:2010 [7:-:-]
- Information on operating and pilot media
- Lubricated operation possible
- Corrosion resistance class (CRC)
- 1 - Low corrosion stress
- LABS (PWIS) conformity
- VDMA24364-B1/B2-L
- Ambient temperature
- -10 °C...60 °C
- Product weight
- 29 g
- Type of mounting
- External hexagon 11/16
- Pneumatic connection 1
- Internal thread 1/4 NPT
- Pneumatic connection 2
- for pneumatic tubing outer diameter 1/4"
- Ambient temperature Fahrenheit
- 14 °F...140 °F
- Releasing ring color
- Gray
- Note on materials
- RoHS compliant
- Housing material
- Brass | Nickel-plated
- Releasing ring material
- POM
- Material of tubing seal
- NBR
- Material of tube retaining claw
- high-alloy stainless steel
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 153771. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.