Manufacturer Varies O-Ring,Dash 468,Viton,0.27 In. GR-V75468

O-Ring, Not Metal Detectable Metal Detectable, Not X-Ray Detectable X-Ray Detectable, System of Measurement Inch, Cross Section Shape Round, O-Ring Material , Durometer (Hardness) Rating Medium Hard, Nominal Inside Dia. 19 1/2 in, Nominal Width 1/4 in, Actual Inside Dia. 19.455 in, Actual Width 0.275 in, Dash Number 468, Color Black, Durometer 75A, Meets/Exceeds ASTM D2000, SAE J200, Nominal Outside Dia. 20 in, Actual Outside Dia. 20.025 in, Temp. Range -15 Degrees to 400 Degrees F