Manufacturer Varies O-Ring,Buna N,Dash 219,1-5/16,1.574,PK25 GR-N90219/25

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 Buna N, Durometer (Hardness) Rating Very Hard, Nominal Inside Dia. 1 5/16 in, Nominal Width 1/8 in, Actual Inside Dia. 1.296 in, Actual Width 0.139 in, Dash Number 219, Color Black, Durometer 90A, Meets/Exceeds ASTM D2000, NBR 90, Nominal Outside Dia. 1 9/16 in, Actual Outside Dia. 1.574 in, FDA Approved Not FDA Approved