Piston/U-Cup:

TSS Article Number (3 to 9)A400400  

Signature StandardPUA400400-Z20  

Type of Article0  

Quality (10th Digit)-  

Root Groove Inside Diameter33  mm

Root Groove Outside Diameter40  mm

Compound codeZ20  

Root Groove Width9  mm

Groove Diameter Inside33  mm

Groove Diameter Outside40  mm

Groove Width9  mm

Groove Thickness3.5  mm

Article GroupPU