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ISO 6621-5:1988
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Internal combustion engines — Piston rings — Part 5: Quality requirements
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
20-03-2019
English, French
29-12-1988
Specifies those quality aspects which are capable of definition but not normally found on a drawing specification. Covers single-piece and multi-piece piston rings of various materials. Applies to all rings up to and including 200 mm diameter covered by the above classification for both reciprocating internal combustion piston engines and compressors.
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