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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
533279
Push-in fitting QB-3/8-1/4-U
The Festo 533279 is a straight industrial component featuring a 3/8 NPT external thread for pneumatic connection 1 and a 1/4" outer diameter connection for pneumatic tubing 2, operating via a push-pull structural design with a 0.189-inch nominal width. This standard-sized unit supports compressed air operating media according to ISO 8573-1:2010 [7:-:-] across an operating pressure range of -13.775 psi to 145 psi and temperatures from 32 °F to 140 °F, incorporating a coated screwed plug seal and an external hexagon 11/16 or hex socket 3/16 mounting type. Each pack size contains 10 RoHS-compliant units weighing 0.84 oz each, featuring a gray releasing ring, VDMA24364 Zone III LABS conformity, and a corrosion resistance class of 1 for low corrosion stress in any mounting position. Submit the exact part number, quantity, and application requirements for an RFQ 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
- 533279
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 533279.
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
- 0.189 in
- Type of seal on screwed plug
- Coating
- Mounting position
- Any
- Design
- Straight design
- Pack size
- 10
- 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
- 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 Zone III
- Ambient temperature
- 0 °C...60 °C
- Product weight
- 0.84 oz
- Type of mounting
- External hexagon 11/16 | Hex socket 3/16
- Pneumatic connection 1
- external thread 3/8 NPT
- Pneumatic connection 2
- for pneumatic tubing outer diameter 1/4"
- Ambient temperature Fahrenheit
- 32 °F...140 °F
- Releasing ring color
- Gray
- Note on materials
- RoHS compliant
- Housing material
- Brass, nickel-plated
- Material of threaded seal
- PTFE
- 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 533279. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.