This is a total small business set-aside procurement for a TEST SET, SURGE PRO, part number 1007N250, built to Bechtel Plant Machinery Inc. (4SVU7) requirements under NAVSUP WSS-MECH specifications. The part number is fully descriptive, with no separate technical drawings, and the contractor must meet detailed manufacturing, quality assurance, inspection, packaging, and mercury-exclusion requirements. A Certificate of Compliance must be submitted at the time of material delivery for each unique combination of contract/purchase order number, NSN, and item nomenclature. FOB destination applies. Quoted pricing is requested to remain valid for 60 days unless the offeror specifies otherwise.