533673

Name: Festo 533673 Union nut MCK-PK-4-KD
Brand: Festo

Union nut MCK-PK-4-KD

The Festo part number 533673 is an industrial component featuring an internal thread size of M10x1 and a pneumatic connection designed for 6 mm outside diameter pneumatic tubing or 4 mm inside diameter barbed fittings with a union nut. This component operates across a pressure range of -0.095 MPa to 1.2 MPa (-0.95 bar to 12 bar / -13.775 psi to 174 psi) and an ambient temperature range of -10 °C to 60 °C. Constructed with a nickel-plated wrought aluminum alloy union nut, it meets RoHS compliance, VDMA24364-B2-L LABS conformity, and holds a corrosion resistance class (CRC) rating of 1 for low corrosion stress. Request a quote by submitting the exact part number, quantity, and application requirements.

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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: 533673
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Verified configuration

Technical Specifications

Size: Internal thread M10x1
Operating pressure for entire temperature range: -0.095 MPa...1.2 MPa | -0.95 bar...12 bar | -13.775 psi...174 psi
Corrosion resistance class (CRC): 1 - Low corrosion stress
LABS (PWIS) conformity: VDMA24364-B2-L
Ambient temperature: -10 °C...60 °C
Pneumatic connection 1: For pneumatic tubing outside diameter 6 mm | For barbed tting, inside diameter 4 mm, with union nut
Material of union nut: Wrought aluminum alloy, nickel-plated
Note on materials: RoHS-compliant

Engineering context

Identification and RFQ Guidance

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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.

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Technical verification

Our sourcing response is prepared against Festo 533673. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.