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.

Festo
This Festo industrial component, part number 8146577, is an ATEX Zone 2 and Zone 22 certified round electrical connector featuring an angled M8x1 A-coded socket with 4 pins on the field device side and an angled M8x1 A-coded plug with 4 pins on the control side. Weighing 23 g, the assembly conforms to EN 61076-2-104, utilizes a screw-type lock with hexagon AF 9 and longitudinal knurl for mounting, operates without a label holder, and carries c UL us listing under UL certificate E253748. Submit the exact part number, quantity, and application requirements for a quote.
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.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
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.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Festo 8146577. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.