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
The Thorlabs 190044-55 is a 900 µm strain relief boot released on June 8, 2000, and officially discontinued on May 20, 2009. This component has been succeeded by the official replacement model 190044P. Submit your exact part number, quantity, and application requirements to request a quote for available stock.
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 190044-55. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.