4.5MM CS X 16MM ID BLACK FKM 75D

V4.5X16 is a black Viton® (FKM) 75 Shore A O-Ring supplied with an inside diameter of 16 mm (0.63 in), a cross section of 4.5 mm (0.177 in), and an outside diameter of 25 mm (0.98 in). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Viton® (FKM) is specified here for very low compression set at elevated temperature and industry benchmark where nitrile reaches its thermal limit. The compound resists petroleum oils and fuels, chlorinated solvents, and aromatic hydrocarbons. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C).

Maintenance and OEM teams specify it across chemical processing, automotive fuel systems, and semiconductor equipment.

This item is sold individually under part number V4.5X16. Unit weight is approximately 1.884 g. Review your operating media and conditions against this specification before installation.