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U.S. Notes (con.) (76) Crimp connectors, for a voltage not exceeding 1,000 V (described in statistical reporting number 8536.90.4000) (77) Insulated tab electrical connectors and tab receptacle electrical connectors, for a voltage not exceeding 1,000 V, crimp-type, with either a tab measuring not over 6.4 mm in width or a receptacle for tabs measuring not over 6.4 mm in width (described in statistical reporting number 8536.90.4000) (78) Junction blocks, for a voltage not exceeding 1,000 V (described in statistical reporting number 8536.90.4000) (79) Lug connectors, for a voltage not exceeding 1,000 V (described in statistical reporting number 8536.90.4000) (80) Ring connectors, for a voltage not exceeding 1,000 V (described in statistical reporting number 8536.90.4000) (81) Spade connectors, for a voltage not exceeding 1,000 V (described in statistical reporting number 8536.90.4000) (82) Spring clip ("alligator clip") terminals, for a voltage not exceeding 1,000 V (described in statistical reporting number 8536.90.4000) (83) Terminal blocks, for a voltage not exceeding 1,000 V (described in statistical reporting number 8536.90.4000) (84) Wire tap connectors, for a voltage not exceeding 1,000 V (described in statistical reporting number 8536.90.4000) (85) Magnesium anodes, each not exceeding 48 kg in weight (described in statistical reporting number 8543.30.9040) (86) Disposable self-adhesive brain monitoring sensor patches for use with an oximeter, each incorporating a circuit board, light-emitting diode (LED), photo diodes and memory device and a connector (described in statistical reporting number 9018.19.9560) (87) Disposable stainless steel subdermal needle electrodes with accompanying harness for use with electromyography (EMG) equipment (described in statistical reporting number 9018.19.9560) (88) Disposable surface electrodes for intra-operative neuromonitoring (“IONM”) systems, each composed of a surface electrode pad, an insulated wire, and a standard DIN 42802 connector (described in statistical reporting number 9018.19.9560) (89) Machines for testing the hardness of metals (described in statistical reporting number 9024.10.0000) (n) The U.S. Trade Representative determined to establish a process by which particular products classified in heading 9903.88.01 and provided for in U.S. notes 20(a) and 20(b) to this subchapter could be excluded from the additional duties imposed by heading 9903.88.01. See 83 Fed. Reg. 28710 (June 20, 2018) and 83 Fed. Reg. 32181 (July 11, 2018). Pursuant to the product exclusion process, the U.S. Trade Representative has determined that the additional duties provided for in heading 9903.88.01 shall not apply to the following particular products, which are provided for in the enumerated statistical reporting numbers: [Compiler's note:expired.] (1) Heat exchangers, the foregoing comprising parts of goods of heading 8402 and each fitted for heat recovery steam generator (described in statistical reporting number 8402.90.0010) (2) Drums, exhaust stacks, and inlet duct panel assemblies of heat recovery steam generators (described in statistical reporting number 8402.90.0090) (3) Water tanks for steam or other vapor generating boilers (described in statistical reporting number 8402.90.0090) (4) Compression-ignition engines with maximum power exceeding 50 kW but not exceeding 120 kW, each valued over $6,000 but not over $9,500 per unit (described in statistical reporting number 8408.90.9010) (5) Compression-ignition engines, exceeding 149.2 kW but not exceeding 373 kW and valued over $9,800 but not over $12,000 (described in statistical reporting number 8408.90.9020) (6) Aircraft gas turbine compressor cases of steel and Inconel alloy, each valued over $3,000 but not over $4,000 (described in statistical reporting number 8411.99.9090) (7) Engine stationary seal air supports of Inconel alloy, each measuring over 35 cm but not over 35.5 cm in outer diameter and over 3.5 cm but not over 4 cm in width (described in statistical reporting number 8411.99.9090) Harmonized Tariff Schedule of the United States Revision 15 (2026) Annotated for Statistical Reporting Purposes XXII 99 - III - 132