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Air Electro offers a comprehensive selection of M39029 and custom thermocouple contacts for use in mission-critical applications. Many qualified versions are readily available from stock and have no minimum order quantity. We also offer uncommon and difficult-to-find versions of Mil-Spec thermocouple contacts. Common configurations include Type K (Alumel-Chromel), Type J (Iron-Constantan), and Type T (Copper-Constantan). In addition, Air Electro is well equipped to design and build custom thermocouple contacts in configurations that fall outside M39029, including PC tail, wire wrap, first-mate last-break, and specialty metals, such as Nicrosil and Nisil (Type N).