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
AC254-400-A1-ML
Thorlabs AC254-400-A1-ML — Ø1" Achromatic Doublet, f=400 mm, SM1-Threaded Mount, ARC: 400-700 nm
Manufactured by Thorlabs, the AC254-400-A1-ML is a Ø1-inch achromatic doublet with a 400 mm focal length, SM1-threaded mount, and an antireflection coating optimized for 400-700 nm. Released on December 17, 2006, this discontinued component was superseded by the official replacement model AC254-400-A-ML on November 11, 2009. Submit the exact part number, quantity, and application requirements to request a 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
- AC254-400-A1-ML
- Product series
- Ø1" Achromatic Doublet, f=400 mm, SM1-Threaded Mount, ARC: 400-700 nm
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to AC254-400-A1-ML.
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
- Ø1" Achromatic Doublet, f=400 mm, SM1-Threaded Mount, ARC: 400-700 nm
- Lifecycle Status
- Discontinued
- This item has been replaced by AC254-400-A-ML .
- View its last web presentation.
- Last Web Presentation
- Open
- Release Date
- December 17, 2006
- Discontinued Date
- November 11, 2009
- Official Replacement Model
- AC254-400-A-ML
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 AC254-400-A1-ML. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.