DIN 70908:1991
Piston rings; quality requirements; visible characteristics, marking; supplement to DIN ISO 6621 Part 5

Standard No.

DIN 70908:1991

Release Date

1991

Published By

German Institute for Standardization

Status

Be replaced

Replace By

DIN 70908:1991-04

Latest

DIN 70908:1991-04

Replace

DIN 70908:1983

Scope

The standard specifies quality requirements for piston rings. The standard applies to piston rings having a diameter of <30 mm and 200 mm. For piston rings of diameter 30 mm up to 200 mm DIN ISO 6621 Part 5 shall be applied.

DIN 70908:1991 history

• 1991 DIN 70908:1991-04 Piston rings; quality requirements; visible characteristics, marking; supplement to DIN ISO 6621 Part 5
• 1991 DIN 70908:1991 Piston rings; quality requirements; visible characteristics, marking; supplement to DIN ISO 6621 Part 5
• 1990 DIN ISO 6621-5:1990 Internal combustion engines; piston rings; quality requirements; identical with ISO 6621-5:1988
• 0000 DIN 70908:1983