The U.S. Coast Guard is seeking quotations for 13 units of a specific, obsolete speed sensor part (NSN 6605-01-470-1266, Yokogawa part V8816DF) for the EML500-HV1 electromagnetic speed log system. This is a brand-name mandatory requirement, and offers of "equal" products must meet all specified physical, functional, and performance characteristics. Award will be made on a lowest price technically acceptable basis, with a firm fixed price contract, and all responsible sources must be registered in SAM. No budget amount or location for performance of services is specified in the description.