# SAM #PR516061

UHV Viewports and Manual Viewport Shutters

**Buyer:** UT-Battelle
**Posted:** October 30, 2026
**Respond By:** November 06, 2026
**Identifier:** PR516061
**NAICS:** 3399, 423490, 327215

Oak Ridge National Laboratory is seeking UHV viewport components for a Department of Energy-funded project.
- **Government buyer:** Oak Ridge National Laboratory (ORNL), for a DOE-funded project.
- **OEM:** **Kurt J. Lesker Company** is named for both requested products; domestic equivalents are acceptable.
- **Products requested:**
  - 20 zero-length 4-1/2-inch UHV viewports with lead glass disks, part number **VPZL-450XLG**.
  - 20 manual 4-1/2-inch UHV viewport shutters, part number **DS450VPS**.
- The request uses a Brand Name or Equal approach. No services or period of performance are specified.

### Description

<p>UT-Battelle, LLC. (the Company), is the Management and Operations Contractor for the Oak Ridge National Laboratory (ORNL), located in Oak Ridge, Tennessee. The Company seeks proposals for the UHV Viewport Assembly with Manual Shutter, or their domestic equivalents, to support a department of Energy (DOE) funded project.&nbsp;<br />
&nbsp;<br />
Request for Quotation - RFQ - PR516061, UHV Viewport Assembly with Manual Shutter<br />
Attachment A - Terms and Conditions - Purchase Order Commercial Products and Services, dated 09.30.2026<br />
Attachment B - Prime Flowdown Clauses, dated 09.30.2026<br />
Attachment C - Bill of Materials - PR516061<br />
Attachment D - Reps and Certs - Abbreviated - 03.09.2026<br />
&nbsp;<br />
FAR 52.211-6, Brand Name or Equal applies.</p>

[View original listing](https://sam.gov/opp/a5f1f716f76243a2a2b62dc3509e76db/view)