Ordered as V3.6X21.3, this is a black Viton® (FKM) 75 Shore A O-Ring measuring an inside diameter of 21.3 mm (0.839 in), a cross section of 3.6 mm (0.142 in), and an outside diameter of 28.5 mm (1.12 in). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Viton® (FKM) is specified here for very low compression set at elevated temperature and outstanding high-temperature capability. It resists aromatic hydrocarbons, many acids, and aggressive chemicals. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). Verify compatibility before use with amines or ketones and esters.
Common environments for this compound include semiconductor equipment, oil and gas, and chemical processing.
Reference part number V3.6X21.3 when ordering; the item is sold individually. Unit weight is approximately 1.47 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Description 3.6MM CS X 21.3MM ID BLACK FKM 75D
Actual Outside Diameter 28.5 mm (1.12 inch)
Actual Cross Section 3.6 mm (0.142 inch)
Actual Inside Diameter 21.3 mm (0.839 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity