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
ESK21A
Thorlabs ESK21A — Pillar Post Essentials Kit, Imperial and Universal Components, 125 Pieces
The Thorlabs ESK21A is a Pillar Post Essentials Kit containing 125 imperial and universal components released on September 30, 2003. This product reached its discontinued status on September 25, 2018, following the final web presentation. Submit the exact part number, quantity, and application requirements for a quote on available 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
- ESK21A
- Product series
- Pillar Post Essentials Kit, Imperial and Universal Components, 125 Pieces
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to ESK21A.
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
- Pillar Post Essentials Kit, Imperial and Universal Components, 125 Pieces
- Lifecycle Status
- Discontinued
- ESK21A was discontinued on September 25, 2018.
- View its last web presentation.
- Last Web Presentation
- Open
- Release Date
- September 30, 2003
- Discontinued Date
- September 25, 2018
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 ESK21A. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.