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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
533281
Push-in fitting QB-3/8-3/8-U
This Festo industrial component, part number 533281, is a straight-design pneumatic fitting featuring a 3/8 NPT external thread and a connection for 3/8-inch outside diameter pneumatic tubing utilizing the push-pull principle. It operates at pressures from -0.95 bar to 10 bar across an ambient temperature range of 0 °C to 60 °C, utilizing compressed air conforming to ISO 8573-1:2010 [7:-:-] with provisions for lubricated operation. The unit incorporates a coated screwed plug seal, an external hexagon 11/16 and hex socket 5/16 mounting type, a gray releasing ring, and a product weight of 0.72 oz with low corrosion stress resistance (CRC 1) and VDMA24364 Zone III LABS conformity. This pack size of 5 is RoHS compliant and supports any mounting position. Submit the exact part number, quantity, and application requirements to receive a formal 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
- 533281
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 533281.
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
- 0.315 in
- Type of seal on screwed plug
- Coating
- Mounting position
- Any
- Design
- Straight design
- Pack size
- 5
- 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
- 0.72 oz
- Type of mounting
- External hexagon 11/16 | Hex socket 5/16
- Pneumatic connection 1
- external thread 3/8 NPT
- Pneumatic connection 2
- for pneumatic tubing outside diameter 3/8"
- 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 533281. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.