Product Overview O-Ring Imperial 3-7/8 x 3/16 NBR Includes: 1 x O-Ring Imperial 3-7/8 x 3/16 NBR Specifications: Inside Diameter: 3-7/8 inchOutside Diameter: 4-1/4 inchCross Section : 3/16 inchMaterial:Nitrile Buna Rubber Durometer:70 Reviews (No reviews yet) Write a Review