A sole-source firm-fixed-price purchase order is anticipated for evaluation and calibration of two Air Data Test Set (ADTS) Calibrators (ADC-2500V3), with required delivery dates of September 15, 2026 and November 30, 2026. The United States Coast Guard intends to negotiate only with TESTVONICS INC as the OEM, though capable concerns may submit offers. The NAICS code is 811210 with a small business size standard of $34.0 million in average annual receipts. Offerors must provide clear traceability to the OEM and a Certificate of Conformance in accordance with FAR 52.246-15. No drawings, specifications, or schematics are available from the agency.