4MM CS X 40MM ID RED SILICONE 70D

Part number SFDA4X40 is a red Silicone 70 Shore A O-Ring with an inside diameter of 40 mm (1.575 in), a cross section of 4 mm (0.157 in), and an outside diameter of 48 mm (1.89 in). An o-ring compresses into its gland to block fluid or gas migration across a joint. This item is further identified as FDA Compliant TO 21CFR Sec 177-2600, Metric O-RING.

It resists weathering, many oxidizing chemicals, and dry heat. That behavior comes from the compound itself: Silicone offers excellent electrical insulating properties, physiological inertness and low toxicity. Published continuous service range is -80°F (-62.2°C) to 450°F (232.2°C). Verify compatibility before use with abrasive dynamic service or hydrocarbon fuels and oils.

The compound meets FDA requirements for food contact under 21 CFR 177.2600. It sees regular use in ovens and heated equipment, electronics and electrical enclosures, and pharmaceutical manufacturing.

Stocked as SFDA4X40 and sold individually. Unit weight is approximately 0.0064 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.