SFDA4X32 is a red Silicone 70 Shore A O-Ring with an inside diameter of 32 mm (1.26 in), a cross section of 4 mm (0.157 in), and an outside diameter of 40 mm (1.57 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: FDA Compliant TO 21CFR Sec 177-2600, Metric O-RING.
As a material, Silicone delivers flexibility that holds at very low temperatures and excellent electrical insulating properties. This material stands up to dry heat, many oxidizing chemicals, and weathering. Rated temperature range runs from -80°F (-62.2°C) to 450°F (232.2°C) in continuous service.
The compound meets FDA requirements for food contact under 21 CFR 177.2600. Maintenance and OEM teams specify it across pharmaceutical manufacturing, food and beverage processing, and electronics and electrical enclosures.
This item is sold individually under part number SFDA4X32. Unit weight is approximately 0.0064 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 4MM CS X 32MM ID RED SILICONE 70D
Actual Outside Diameter 40 mm (1.57 inch)
Actual Cross Section 4 mm (0.157 inch)
Actual Inside Diameter 32 mm (1.26 inch)
Measurement System Metric
Product Category O-Rings - FDA / Metal Detectable