SS-ISO-6621-4 › Historical Revision Information
Internal combustion engines - Piston rings - Part 4: General specifications (ISO 6621-4:2003, IDT)
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This part of ISO 6621 specifies the general characteristics of piston rings for both reciprocating internal combustion engines and compressors (the individual dimensional criteria for these rings are given in the relevant International Standards). It also provides a system for ring coding, designation and marking. It is applicable to all such rings of a diameter u 200 mm.
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43.060.10 (Engine block and internal components)
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Designation Name
SS-ISO 6621-4:2007
Revision Level
2007 EDITION
Status
Superseded
Publication Date
Dec. 5, 2007
Language(s)
English
Page Count
40
International Equivalent
ISO 6621-4:2003(IDT)