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.
Global industrial sourcing · Houston, Texas info@mropartsrfq.com
Reference imageConfirm configuration by manufacturer part number.
Thorlabs
CS421
Thorlabs CS421 — Ø13 mm x 38 mm Straight Light Guide for CS410
The Thorlabs CS421 is a Ø13 mm x 38 mm straight light guide engineered for use with the CS410 system. Originally released by Thorlabs on May 11, 2004, this component reached its discontinued lifecycle status on June 23, 2011. Submit the exact part number, quantity, and application requirements to request a formal quote for remaining inventory.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a QuoteWhy no listed price?
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.
- Manufacturer
- Thorlabs
- Part number
- CS421
- Product series
- Ø13 mm x 38 mm Straight Light Guide for CS410
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to CS421.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Product Name
- Ø13 mm x 38 mm Straight Light Guide for CS410
- Lifecycle Status
- Discontinued
- Release Date May 11, 2004
- Discontinued Date June 23, 2011
- Release Date
- May 11, 2004
- Discontinued Date
- June 23, 2011
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against Thorlabs CS421. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.