The 202D163-4-0 is a straight molded boot from the Raychem 202D1 family, designed for general-purpose cable harnessing and protection. It is constructed from a flexible modified polyolefin (material code 4) and is supplied without a pre-coated adhesive (adhesive code 0). This boot operates reliably across a wide temperature range of -55°C to +120°C. It provides robust strain relief and environmental sealing for cable-to-connector transitions in various electronic systems. The boot is RoHS compliant and meets standards such as DEF Std 59-97, MIL-I-81765/2, and UL224.