Manufacturer Varies O-Ring,EPDM,Black,PK25 GR-E70238-25

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 EPDM, Durometer (Hardness) Rating Medium Hard, Nominal Inside Dia. 3 1/2 in, Nominal Width 1/8 in, Actual Inside Dia. 3.484 in, Actual Width 0.139 in, Dash Number 238, Color Black, Durometer 70A, Meets/Exceeds ASTM D2000, SAE J200, Nominal Outside Dia. 3 3/4 in, Actual Outside Dia. 3.762 in, Temp. Range -65 Degrees to 300 Degrees F