This part lays down the general characteristics of piston rings, individual dimensional criteria of which are specified as appropriate in the ISO publications cited in clause 0. Provides a system for coding, designation and marking of the piston rings. 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.

General information

  • Status :  Withdrawn
    Publication date : 1988-12
  • Edition : 1
    Number of pages : 13
  • :
    ISO/TC 22
    Road vehicles
  • 43.060.10
    Engine block and internal components

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

Keep up to date with ISO

Sign up to our newsletter for the latest news, views and product information.