Manufacturer Varies O-Ring,20 mm Dia,3mm W,Buna-N,Black,PK25 1CUY7

O-Ring, Not Metal Detectable Metal Detectable, Not X-Ray Detectable X-Ray Detectable, System of Measurement Metric, Cross Section Shape Round, O-Ring Material Buna N, Durometer (Hardness) Rating Very Hard, Nominal Inside Dia. 20 mm, Nominal Width 3 mm, Actual Inside Dia. 20 mm, Actual Width 3 mm, Dash Number Not Applicable, Color Black, Durometer 90A, Meets/Exceeds ASTM D2000, SAE J200, Nominal Outside Dia. 26 mm, Actual Outside Dia. 26 mm, Temp. Range -40 Degrees to 250 Degrees F