Product Overview O-Ring Imperial 5/16 x 1/16 NBR 100 PackIncludes: 100 pieces O-Ring Imperial 5/16 x 1/16 NBR Specifications: Inside Diameter: 5/16 inchOutside Diameter: 7/16 inchCross Section : 1/16 inchMaterial:Nitrile Buna Rubber Durometer:70 Reviews (No reviews yet) Write a Review