The 97-79-513-16 is a rubber bushing, also known by its MS part number 3420-16, specifically designed for MS3057A type cable clamps. This component features key dimensions including an 'A' dimension of 0.750 inches (19.05 mm), a 'B' dimension of 0.927 inches (23.55 mm), and a 'D' dimension of 2.125 inches (53.98 mm). As an accessory for Amphenol 97 Series connectors, it can also be used as a reducing bushing to accommodate different cable sizes.