DIN 70907:1991
Piston rings; test of quality characteristics; terms, measuring procedures; supplement to DIN ISO 6621 Part 2

Standard No.

DIN 70907:1991

Release Date

1991

Published By

German Institute for Standardization

Status

Be replaced

Replace By

DIN 70907:1991-04

Latest

DIN 70907:1991-04

Replace

DIN 70907:1980

Scope

The standard defines the measuring principles to be used for measuring piston rings. The standard applies to piston rings having a diameter of 30 mm and 200 mm. For piston rings of diameter 30 up to 200 mm DIN ISO 6621 Part 2 shall be applied.

DIN 70907:1991 history

• 1991 DIN 70907:1991-04 Piston rings; test of quality characteristics; terms, measuring procedures; supplement to DIN ISO 6621 Part 2
• 1991 DIN 70907:1991 Piston rings; test of quality characteristics; terms, measuring procedures; supplement to DIN ISO 6621 Part 2
• 1990 DIN ISO 6621-2:1990 Internal combustion engines; piston rings; inspection measuring principles; identical with ISO 6621-2:1984
• 0000 DIN 70907:1980