A 3.5-inch dimension equals 88.9 mm. Identify the referenced feature on the drawing before choosing a grommet for an opening.
Check the mounting-hole dimensions, panel thickness, passage and flange clearance. Specify whether the part is intended for cable protection, closure or another defined function. A flexible profile can still tear or fail under unsuitable loading.
Select the compound for the actual temperature, fluids and outdoor exposure. Size and general rubber properties do not establish electrical insulation or a durable seal. Verify the installed fit and performance and follow the application's inspection requirements.
