FIT-221-3/16-WH063 is a general purpose irradiated polyolefin heat shrink tubing designed for wire and cable insulation applications. This 3/16" size tubing features a minimum supplied inner diameter of 0.187 inches (4.75 mm) and a maximum recovered inner diameter of 0.093 inches (2.36 mm), providing a 2:1 shrink ratio. The nominal recovered wall thickness is 0.020 inches (0.50 mm), ensuring reliable protection and insulation. The tubing meets MIL-DTL-23053/5C Class 1 and 2 specifications, UL Standard 224, and CSA Standard 198, and is RoHS compliant. It is available in white color and is ideal for general purpose electrical insulation, strain relief, and wire bundling applications.