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.

Thorlabs
Thorlabs 30127D2 is the exact manufacturer part number for FC/PC Connector, Adjustable Key for PM Fiber, Ø125 µm Fiber, Ceramic Ferrule, Ø900 µm Boot. The official catalog lists this item as discontinued. The official replacement model is 30125D2. Submit the exact part number, quantity, destination, and application details for an RFQ.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Identification and family-level technical context are preserved from reviewed source evidence and official English-language manufacturer documentation.
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 Thorlabs 30127D2. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.