S1.5X17.5 is a red Silicone 70 Shore A O-Ring supplied with an inside diameter of 17.5 mm (0.689 in), a cross section of 1.5 mm (0.059 in), and an outside diameter of 20.5 mm (0.81 in). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load. Additional detail on this item: Metric O-RING, JIS S18.
The compound resists dry heat, extreme heat and cold, and weathering. That behavior comes from the compound itself: Silicone is specified for flexibility that holds at very low temperatures and an exceptionally wide service temperature range. Published continuous service range is -80°F (-62.2°C) to 450°F (232.2°C).
The compound meets FDA requirements for food contact. Maintenance and OEM teams specify it across food and beverage processing, pharmaceutical manufacturing, and medical devices.
Order part number S1.5X17.5, sold individually. Unit weight is approximately 0.1389 g. Check the compound against your process media, pressure and temperature before committing to a design. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Description 1.5MM CS X 17.5MM ID RED SILICONE 70D
Actual Outside Diameter 20.5 mm (0.81 inch)
Actual Cross Section 1.5 mm (0.059 inch)
Actual Inside Diameter 17.5 mm (0.689 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity