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Products/Festo/531620
Festo 531620 Quick coupling socket KD2-M5-I
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Festo

531620

Quick coupling socket KD2-M5-I

The Festo part number 531620 is an industrial component featuring a nominal width of 2.7 mm, an M5 internal thread pneumatic connection 1, and a normal nominal flow rate of 84 l/min to 135 l/min normalized to DIN 1343. Constructed with a nickel-plated brass housing, threaded coupling, NBR seals, and high-alloy stainless steel spring, ball, and circlip, this 12 g unit operates within a pressure range of -0.095 MPa to 1.2 MPa and an ambient temperature range of -10 °C to 60 °C. It accommodates compressed air according to ISO 8573-1:2010 [7:-:-] with lubricated operation possible, possesses a corrosion resistance class of 1, and requires a nominal tightening torque of 0.85 Nm with a ±15% tolerance. Submit the exact part number, quantity, and application requirements to receive a formal quote.

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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
531620
Data verification
Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 531620.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.

Verified configuration

Technical Specifications

Nominal width
2.7 mm
Operating pressure for entire temperature range
-0.095 MPa...1.2 MPa | -0.95 bar...12 bar | -13.775 psi...174 psi
Normal nominal ow rate (normalized to DIN 1343)
84 l/min...135 l/min
Nominal ow rate standardized according to ISO 8778
91.1 l/min...146.3 l/min
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
Nominal tightening torque
0.85 Nm
Tolerance for nominal tightening torque
±15%
Product weight
12 g
Pneumatic connection 1
Internal thread M5
Note on materials
RoHS compliant
Seals material
NBR
Material of spring
high-alloy stainless steel
Housing material
Brass, nickel-plated
Threaded coupling material
Brass, nickel-plated
Ball material
high-alloy stainless steel
Circlip material
high-alloy stainless steel
Valve body material
Brass
Material releasing sleeve
Brass, nickel-plated

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 531620. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.