Reference number
ISO 6621-4:2003
© ISO 2025
ISO 6621-4:2003
Internal combustion engines — Piston rings — Part 4: General specifications
Edition 2
2003-10
Withdrawn
Withdrawn (Edition 2, 2003)

Abstract

ISO 6621-4:2003 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 greater than or equal to 200 mm.

General information

  • Status
     : Withdrawn
    Publication date
     : 2003-10
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 2
    Number of pages
     : 28
  • Technical Committee :
    ISO/TC 22
    ICS :
    43.060.10 
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