TechSIL EMI/RFI Shielding Conductive Elastomer Round Profile Molded Rectangular Gaskets come in five different sizes and are ideal for use with rectangular connectors. They come with a .130” or 139” cross section and four different lengths and widths. These Round Profile Molded Rectangular gaskets can be molded out of all twelve of the MIL-DTL-83528 compounds. These Rectangular gaskets can be used with or without a groove. Additional sizes are available upon request.