Manufacturer Varies O-Ring,Buna N,Black,PK10 GR-N70255-10

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. 5 5/8 in, Nominal Width 1/8 in, Actual Inside Dia. 5.609 in, Actual Width 0.139 in, Dash Number 255, Color Black, Durometer 70A, Meets/Exceeds ASTM D2000, SAE J200, Nominal Outside Dia. 5 7/8 in, Actual Outside Dia. 5.887 in, Temp. Range -40 Degrees to 250 Degrees F