Product Overview O-Ring Imperial 7/16 x 3/16 NBR 20 PackIncludes: 20 pieces O-Ring Imperial 7/16 x 3/16 NBR Specifications: Inside Diameter: 7/16 inchOutside Diameter: 13/16 inchCross Section : 3/16 inchMaterial:Nitrile Buna Rubber Durometer:70 Reviews (No reviews yet) Write a Review