Manufacturer Varies O-Ring,Buna N,Black,PK50 GR-N70323-50

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 Buna N, Durometer (Hardness) Rating Medium Hard, Nominal Inside Dia. 1 5/16 in, Nominal Width 3/16 in, Actual Inside Dia. 1.287 in, Actual Width 0.21 in, Dash Number 323, Color Black, Durometer 70A, Meets/Exceeds ASTM D2000, SAE J200, Nominal Outside Dia. 1 11/16 in, Actual Outside Dia. 1.707 in, Temp. Range -40 Degrees to 250 Degrees F