Diamond-Roltran LLC, a veteran-owned limited liability company headquartered in Littleton, Massachusetts, was awarded a single-award Indefinite Delivery Contract valued at $5.8 million by the Naval Sea Systems Command on September 28, 2021, with a completion date of September 27, 2026. The contract encompasses the design, manufacturing, and supply of specialized radar and sensor system components, specifically AN/SPS-49 roll rings with rolling contact technology and AN/SPS-49 slip ring new manufacturing. These components are critical elements of the Navy's air search radar systems deployed on surface ships. The indefinite delivery vehicle structure enables the Naval Sea Systems Command to issue delivery orders on an as-needed basis to support fleet maintenance, upgrades, and modernization initiatives. No set-aside designations were utilized for this procurement, indicating Diamond-Roltran's competitive capability in open federal contracting processes. All manufacturing and delivery activities are performed at the contractor's facility in Littleton, Massachusetts.
Under this indefinite delivery contract, the Naval Sea Systems Command and US Pacific Fleet Forces have issued four delivery orders totaling approximately $2.1 million through August 2025. These task orders include: a $107,076 delivery order for AN/SPS-49 slip ring components awarded September 28, 2021 (completion February 28, 2022); a $668,248 delivery order for AN/SPS-49 slip rings with rolling contact technology awarded July 11, 2024 (completion January 31, 2025); a $668,248 delivery order for AN/SPS-49 rotary slip ring assemblies awarded September 24, 2024 (completion May 27, 2025); and a $695,712 delivery order for new manufacture of AN/SPS-49 roll rings awarded August 20, 2025 (completion April 15, 2026). All delivery orders utilize firm fixed-price pricing mechanisms and direct delivery to the contractor's Littleton, Massachusetts location, with no set-aside provisions applied.