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
LK1431R-B
Thorlabs LK1431R-B — f=-75 mm, Ø25.4 mm, BK7 Plano-Concave Round Cyl Lens
Thorlabs manufactured the LK1431R-B, a f=-75 mm, Ø25.4 mm, BK7 plano-concave round cylindrical lens that was released on November 3, 2008 and subsequently discontinued on November 21, 2009. The official replacement model for this discontinued component is the LK1431RM-B. Submit the exact part number, quantity, and application requirements to receive a quote.
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
- LK1431R-B
- Product series
- f=-75 mm, Ø25.4 mm, BK7 Plano-Concave Round Cyl Lens
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to LK1431R-B.
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
- f=-75 mm, Ø25.4 mm, BK7 Plano-Concave Round Cyl Lens
- Lifecycle Status
- Discontinued
- Release Date November 3, 2008
- Discontinued Date November 21, 2009
- Release Date
- November 3, 2008
- Discontinued Date
- November 21, 2009
- Official Replacement Model
- LK1431RM-B
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 LK1431R-B. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.