Product Overview O-Ring Imperial 3-7/8 x 1/8 NBR 10 PackIncludes: 10 pieces O-Ring Imperial 3-7/8 x 1/8 NBR Specifications: Inside Diameter: 3-7/8 inchOutside Diameter: 4-1/8 inchCross Section : 1/8 inchMaterial:Nitrile Buna Rubber Durometer:70 Reviews (No reviews yet) Write a Review