NA 052

DIN Standards Committee Road Vehicles and Mobility

DIN ISO 6621-2 [Withdrawn] referenced in following documents:

Document number Edition Title
DIN ISO 6625 1990-06 Internal combustion engines; piston rings; oil control rings; identical with ISO 6625:1986 More 
DIN ISO 6626 1990-06 Internal combustion engines; piston rings; coil-spring-loaded oil control rings; identical with ISO 6626:1989 More 
DIN 70907 1991-04 Piston rings; test of quality characteristics; terms, measuring procedures; supplement to DIN ISO 6621 Part 2 More