Piston/U-Cup:

TSS Article Number (3 to 9)A300400  

Signature StandardPUA300400-Z20  

Type of Article0  

Quality (10th Digit)-  

Root Groove Inside Diameter32  mm

Root Groove Outside Diameter40  mm

Compound codeZ20  

Root Groove Width6.5  mm

Groove Diameter Inside32  mm

Groove Diameter Outside40  mm

Groove Width6.5  mm

Groove Thickness4  mm

Article GroupPU