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ISO 2790:2020PublishedBelt drives — V-belts for the automotive industry and corresponding pulleys — DimensionsISO 5287:2021PublishedBelt drives — V-belts for the automotive industry — Fatigue testISO 6621-4:2024PublishedInternal combustion engines — Piston rings — Part 4: General specificationsISO 6621-3:2021PublishedInternal combustion engines — Piston rings — Part 3: Material specificationsISO 6621-5:2020PublishedInternal combustion engines — Piston rings — Part 5: Quality requirementsISO 6621-2:2020PublishedInternal combustion engines — Piston rings — Part 2: Inspection measuring principlesISO 6621-1:2018PublishedInternal combustion engines — Piston rings — Part 1: VocabularyISO 6622-2:2013PublishedInternal combustion engines — Piston rings — Part 2: Rectangular rings made of steelISO 6623:2013PublishedInternal combustion engines — Piston rings — Scraper rings made of cast ironISO 6624-3:2017PublishedInternal combustion engines — Piston rings — Part 3: Keystone rings made of steelISO 6624-1:2017PublishedInternal combustion engines — Piston rings — Part 1: Keystone rings made of cast ironISO 6624-2:2016PublishedInternal combustion engines — Piston rings — Part 2: Half keystone rings made of cast ironISO 6624-4:2016PublishedInternal combustion engines — Piston rings — Part 4: Half keystone rings made of steelISO 6625:1986PublishedInternal combustion engines — Piston rings — Oil control ringsISO 6626-1:2024PublishedInternal combustion engines — Piston rings — Part 1: Coil spring loaded oil control rings made of cast ironISO 6626-2:2024PublishedInternal combustion engines — Piston rings — Part 2: Coil-spring-loaded oil control rings of narrow width made of cast ironISO 6626-3:2019PublishedInternal combustion engines — Piston rings — Part 3: Coil-spring-loaded oil control rings made of steelISO 6627:2022PublishedInternal combustion engines — Piston rings — Expander/rail oil-control ringsISO 7648:1987PublishedFlywheel housings for reciprocating internal combustion engines — Nominal dimensions and tolerancesISO 9981:2020PublishedBelt drives — Pulleys and V-ribbed belts for the automotive industry — PK profile: DimensionsISO 11055:1996PublishedFlywheels for reciprocating internal combustion engines — Installation dimensions for clutchesISO 11749:2023PublishedBelt drives — V-ribbed belts for the automotive industry — Fatigue testISO 12046:2025PublishedSynchronous belt drives — Automotive belts — Determination of physical propertiesISO 18669-2:2025PublishedInternal combustion engines — Piston pins — Part 2: Inspection measuring principlesISO 18669-1:2021PublishedInternal combustion engines — Piston pins — Part 1: General specifications