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Products/Festo/533277
Festo 533277 Push-in fitting QB-1/4-5/16-U
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Festo

533277

Push-in fitting QB-1/4-5/16-U

The Festo part number 533277 is a standard straight-design industrial component utilizing a push-pull structural design with a 0.252 in nominal width and a coated screwed plug seal. This unit features a 1/4 NPT external thread for pneumatic connection 1 and accommodates a 5/16" outside diameter pneumatic tubing at connection 2, supporting an operating pressure range of -13.775 psi to 145 psi with compressed air per ISO 8573-1:2010 [7:-:-]. Designed with an external hexagon 9/16 and hex socket 1/4 mounting type, the RoHS compliant component operates within an ambient temperature range of 32 °F to 140 °F and is packaged in a quantity of 10. Submit the exact part number, quantity, and application requirements to request a quote for this item.

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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
533277
Data verification
Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 533277.
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
0.252 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
0.519 oz
Type of mounting
External hexagon 9/16 | Hex socket 1/4
Pneumatic connection 1
external thread 1/4 NPT
Pneumatic connection 2
for pneumatic tubing outside diameter 5/16"
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

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.

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 533277. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.