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 30125D2 is an FC/PC adjustable key connector designed for PM fiber featuring a ø125.5 µm bore and including ø3.0 mm and ø900 µm boots, with an individual package weight of 0.04 lbs and an initial release date of May 23, 2016. Lifecycle status for this component should be verified against current manufacturer documentation. Submit an RFQ with the exact part number, quantity, and application requirements to receive a formal quotation.
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 30125D2. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.