The 204W221-25-0 is a heat-shrinkable, straight boot designed to provide mechanical strain relief and environmental protection for cable and connector terminations. This part is manufactured from a fluid-resistant elastomer material, as specified by the -25 material code in its part number. After unrestricted recovery, it has a main body length (P) of 19 mm and a wall thickness at the large end (HW) of 2.4 mm. This version is supplied uncoated, as indicated by the -0 suffix, and the provided dimensions are for the uncoated part. It is ideal for applications in demanding environments where robust protection against fluids and mechanical stress is critical for wire and harness systems.