Manufacturer Varies O-Ring,Viton,Black,PK2 GR-V90256-2

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 Very Hard, Nominal Inside Dia. 5 3/4 in, Nominal Width 1/8 in, Actual Inside Dia. 5.734 in, Actual Width 0.139 in, Dash Number 256, Color Black, Durometer 90A, Meets/Exceeds ASTM D2000, SAE J200, Nominal Outside Dia. 6 in, Actual Outside Dia. 6.012 in, Temp. Range -15 Degrees to 400 Degrees F