10PCS NBR Seal Rings Thickness/CS 1.78mm Strip Rubber O-Ring Gasket Replacement Washer Oil Resistance Auto AS-568

O-Rings

Meterial: Nitrile Butadiene Rubber

Shore Hardness: About 70

Temperature resistance: -25 to +100

Feature: Oil-resistance ,Wear-resistance, Insulation , Waterproof , Non-toxic ,Corrosion-resistance

Dimension measurement of O-ring

NOTE:

Please allow a little size error due to manual measurement .

{ inner diameter (ID) +2*thickness (CS) = outer diameter (OD) }