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
Originally released by Thorlabs on January 9, 2009, the CLCPB1 is a 1.75" (44.5 mm) optical axis height spacer for 30 mm cage plates utilizing imperial measurements. Although this product has reached discontinued lifecycle status, Thorlabs continues to offer it by special order. Submit the exact part number, quantity, and application requirements for pricing and lead time details.
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 Thorlabs 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 Thorlabs CLCPB1. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.