# Replacement High-Performance Cesium Beam Tube for 5071A Frequency Standard

Canonical: https://abierto.us/opportunities/nb6880002601570

- Solicitation number: NB688000-26-01570
- Notice type: Combined synopsis and solicitation (first published as sources sought)
- Status: Awarded to Aantilia LLC
- Department: Department of Commerce
- Agency: National Institute of Standards and Technology
- Contracting office: Department of Commerce NIST (1333ND)
- NAICS: 334519 Other Measuring and Controlling Device Manufacturing
- Product or service code: 6640 Laboratory Equipment and Supplies
- Set-aside: Total small business set-aside
- Place of performance: Boulder, Colorado
- County: Boulder County (FIPS 08013). https://abierto.us/counties/boulder-county-co-08013
- City: Boulder. https://abierto.us/cities/boulder-co-0807850
- First posted: May 4, 2026
- Last posted: May 19, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/3e5bad6369d142d3b86dde23c9e7e264/view

## Description

See the attached Combined Synopsis/Soliciation RFQ, Requirements Specifications document.

## Award on USAspending

- Recipient: Aantilia LLC (UEI M1WNFFFKYSX6)
- Contract: 1333ND26PNB680181, purchase order
- Obligated: $50,721.91
- Competition: Competed Under SAP, 3 offers received
- Link: solicitation number NB6880002601570 equals the FPDS solicitation identifier; same awarding office 1333ND (high confidence)
- Record: https://www.usaspending.gov/award/CONT_AWD_1333ND26PNB680181_1341_-NONE-_-NONE-/


## Publications

- May 4, 2026: Sources sought, due May 14, 2026 at 3:00 PM EDT. Notice 0bb6afb4d7d246adb50b47a94977a1fd. https://sam.gov/workspace/contract/opp/0bb6afb4d7d246adb50b47a94977a1fd/view
- May 19, 2026: Combined synopsis and solicitation, due May 29, 2026 at 4:00 PM EDT. Notice 3e5bad6369d142d3b86dde23c9e7e264. https://sam.gov/workspace/contract/opp/3e5bad6369d142d3b86dde23c9e7e264/view

## Points of contact

- de Ionne Jones, deionne.jones@nist.gov

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Source: SAM.gov Contract Opportunities bulk extract and USAspending.gov award data. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/nb6880002601570.