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
533221
Push-in fitting QB-1/4-3/8-U-M
The Festo 533221 is a straight industrial component featuring a 0.236-inch nominal width and an external thread R1/4 pneumatic connection 1 paired with pneumatic connection 2 for a 3/8-inch outside diameter tubing. Built with a PBT housing and a gray releasing ring, this standard-size part operates within a pressure range of 0.95 bar to 10 bar (13.775 psi to 145 psi) and a temperature span of 0 °C to 60 °C (32 °F to 140 °F) using compressed air as per ISO 8573-1:2010 [7:-:-]. It offers external hexagon SW17 and internal hexagon AF 6 mounting, a coated screwed plug seal, and a pack size of 10 units with a product weight of 0.896 oz each. Submit the exact part number, quantity, and application requirements for 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
- 533221
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 533221.
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
- 0.236 in
- Type of seal on screwed plug
- Coating
- Design
- Straight design
- Pack size
- 10
- 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 Zone III
- Ambient temperature
- 0 °C...60 °C
- Product weight
- 0.896 oz
- Type of mounting
- External hexagon SW17 | Internal hexagon, AF 6
- Pneumatic connection 1
- External thread R1/4
- 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
- PBT
- Material of threaded seal
- NBR
- Releasing ring material
- POM
- 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 533221. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.