Packing Ring As Per Following Dimension - 1) Inner Diameter: 195.5 +- 0.05, Inner Wall Thickn Ess: 4.45 +- 0.05, Height Of Inner Wall - 20.50 +- 0.05 2) Outer Diameter: 254 +- 0.05, Outer Wall Thickness : 3.85 +- 0.05, Height Of Outer Wall - 21.05 +- 0.05 3) Groove Depth Between Inner And Outer Wall - 13+- 0. 50 Material - High Nitrile Rubber.All Dimensions Are In Mm. [ Warranty Period: 30 Months After The Date O F Delivery ] ]