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 BSF10-A1 is the exact manufacturer part number for Ø1" UVFS Beam Sampler for Beam Pick-Off, ARC: 400-700 nm, 5 mm Thick. The official catalog lists this item as discontinued. The official replacement model is BSF10-A. 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
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 BSF10-A1. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.