(Reuters) - Kobe Steel Ltd's (>> Kobe Steel, Ltd.) tampering with specifications has led to a scramble among the 525 customers currently affected to check the safety of their cars, planes, trains and other products.

The metals from Kobe Steel whose specifications have been falsified have been used in a dizzying array of products including air conditioners, Blu-ray discs, car doors, computer chips, copper pipes, heat exchangers, gear boxes, nuclear power plant parts, ship engines and space ships.

No safety issues have been reported.

Customers that have received falsely certified parts include:

Automakers

Toyota Motor Corp (>> Toyota Motor Corp), Nissan Motor Co (>> Nissan Motor Co Ltd), Honda Motor Co (>> Honda Motor Co Ltd), Mazda Motor Corp (>> Mazda Motor Corp), Subaru Corp (>> Subaru Corp), Mitsubishi Motors Corp (>> MITSUBISHI MOTORS CORPORATION) and Daihatsu Motor Co Ltd (>> Honda Motor Co Ltd).

Aerospace

Honda said affected products have been used in its HondaJet, the first aircraft developed by an automaker since World War Two.

Other affected manufacturers include the world's biggest maker of passenger jets Boeing Co (>> Boeing Company (The)), Mitsubishi Heavy Industries Ltd (>> Mitsubishi Heavy Industries Ltd) and IHI Corp (>> IHI Corp).

Railways

Railway operators across Japan including Central Japan Railway Company Co (>> Central Japan Railway Company) (JR Tokai), East Japan Railway Co (>> East Japan Railway Company) (JR East), West Japan Railway Co (>> West Japan Railway Company) (JR West), Tokyo Metro Co Ltd and Hankyu Hanshin Holdings Inc (>> Hankyu Hanshin Holdings, Inc.).

Utilities

Chugoku Electric Power Co Inc (>> Chugoku Electric Power Co Inc), Hokuriku Electric Power Co (>> Hokuriku Electric Power Company), Japan Nuclear Fuel Ltd, Kansai Electric Power Co Inc (>> Kansai Electric Power Co Inc), Kyushu Electric Power Co Inc (>> Kyushu Electric Power Company, Inc.) and Tokyo Electric Power Company Holdings Inc (>> Tokyo Electric Power Company Holding Inc) (Tepco).

Other products using affected metals include:

Air conditioners from Mitsubishi Electric Corp (>> Mitsubishi Electric Corporation).

Aircraft parts and engine components from Kawasaki Heavy Industries Ltd (>> Kawasaki Heavy Industries Ltd).

Blu-ray discs from Panasonic Corp (>> Panasonic Corporation).

Cooling equipment from Toshiba Corp (>> Toshiba Corp).

Defence equipment from makers MHI, IHI, Kawasaki Heavy and Komatsu Ltd (>> Komatsu Ltd).

Gearboxes for aircraft and vacuum pumps from Shimadzu Corp (>> Shimadzu Corporation).

Heat exchangers from Toyota-affiliated parts manufacturer Denso Corp (>> Denso Corp).

Motorcycles from Suzuki Motor Corp (>> Suzuki Motor Corp).

Ship engines from Mitsui Engineering & Shipbuilding Co Ltd (>> Mitsui Engineering & Shipbuilding Co Ltd).

Kobe Steel is integrated into global supply chains, supplying metals to companies including Bosch Ltd (>> Bosch Ltd), Hyundai Motor Co (>> Hyundai Motor Co), Kia Motors Corp (000270.KS), Ford Motor Co (>> Ford Motor Company) and Rolls-Royce Holdings PLC (>> Rolls-Royce).

The steelmaker makes wire rod for engine valve springs found in half the world's cars, aluminium discs for half of the world's hard drives and 40 percent of the engine crankshafts used in large ships.

Kobe Steel is Asia's No.1 manufacturer of semiconductor leadframes, the base material for chips, and one the world's top makers of the large forged casks used to store spent nuclear fuel.

(Reporting by Sam Nussey, Yuka Obayashi, Osamu Tsukimori, Joe White, and Hyunjoo Jin; Editing by Raju Gopalakrishnan)

Stocks treated in this article : Airbus SE, Peugeot, Renault, Boeing Company (The), General Electric Company, Ford Motor Company, Daimler, Rolls-Royce, Tesla, Shimadzu Corporation, Suzuki Motor Corp, Daikin Industries, Ltd., Denso Corp, Tokyo Electric Power Company Holding Inc, Mitsubishi Heavy Industries Ltd, IHI Corp, Mazda Motor Corp, Kansai Electric Power Co Inc, Mitsubishi Electric Corporation, Subaru Corp, MITSUBISHI MOTORS CORPORATION, East Japan Railway Company, Mitsui Engineering & Shipbuilding Co Ltd, Komatsu Ltd, Kyushu Electric Power Company, Inc., Chugoku Electric Power Co Inc, Yamaha Motor Co., Ltd., Hokuriku Electric Power Company, Yokohama Rubber Co Ltd, Hyundai Motor Co, Honda Motor Co Ltd, Fujitsu Ltd, Kawasaki Heavy Industries Ltd, Kobe Steel, Ltd., Panasonic Corporation, NEC Corp, Nissan Motor Co Ltd, Toyota Motor Corp, Central Japan Railway Company, West Japan Railway Company, Korean Air Lines Co Ltd, Toshiba Corp, Hankyu Hanshin Holdings, Inc., General Motors Corporation, Bosch Ltd, Valeo