ISO 6621-4:2003
Withdrawn
View Superseded by
Internal combustion engines — Piston rings — Part 4: General specifications
Hardcopy , PDF
English
10-14-2003
04-09-2025
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.
| Committee |
ISO/TC 22
|
| DocumentType |
Standard
|
| Pages |
28
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| JIS B 8032-4:2015 | Identical |
| BS ISO 6621-4:2003 | Identical |
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