# SAM #RFP_387931RLP

Fermilab request for one 5 W at 4.2 K pulse-tube cryocooler

**Buyer:** Fermilab
**Posted:** October 13, 2026
**Respond By:** October 28, 2026
**Identifier:** RFP_387931RLP
**NAICS:** 339999, 333415, 423740

Fermi National Accelerator Laboratory is seeking a proposal for one high-capacity 5 W pulse-tube cryocooler for its Illinois Accelerator Research Center.
- **Government buyer**
  - U.S. Department of Energy, Office of Science
  - Fermi National Accelerator Laboratory (Fermilab), Procurement Department, Finance Section
  - Contact identified in the RFP: Rhiannon Patterson
- **Request**
  - One 5 W at 4.2 K pulse-tube cryocooler; no manufacturer, model, or part number is specified.
  - Required performance: at least 5 W at 4.2 K and 30 W at 45 K, with operating temperature of 4.2 K or lower.
  - Maximum power requirement is 30 kW. Maximum dimensions are 10 inches for the mounting flange, 30 inches for the room-temperature-side height, 20 inches for the cold-side height, and 6 × 6 × 4 feet for the compressor.
  - The quote should include the cold head, compressor, gas lines, vibration-dampening bellows, instrumentation cables, and power cables. The cold stage should provide as much surface area as feasible for mounting thermal links.
- **Organizations named**
  - Fermi Forward Discovery Group, LLC, also identified as FermiForward and FFDG, is associated with the attached RFP and subcontractor certification form; it is not identified as the cryocooler manufacturer.
  - No cryocooler OEM or product vendor is named.
- **Additional attachment**
  - Includes a subcontractor annual representations and certifications form. It is a supplier qualification/compliance form, not an additional product or equipment request.

### Description

<p>Please provide proposal for the attached request for proposals (RFP 387931RLP) for project &ldquo;5W PULSE TUBE CRYOCOOLER&rdquo; by the due date to allow proper documentation completion.</p>

<p>Proposal packages must include</p>

<ol>
	<li>Formal quote on company letterhead with description/specification of product(s)</li>
	<li>Completed RFP form</li>
	<li>Completed Subcontractor Annual Representations and Certifications</li>
	<li>Completed Proposal Certifications</li>
</ol>

<p>Answers to questions may be posted during proposal opening time, viewers should be aware of any changes.</p>

[View original listing](https://sam.gov/opp/35079def28e84c1db0de4c4f25570953/view)