-251 RED SILICONE 70D FDA O-RING

APG stocks the S70FDA251, an AS568-251 red Silicone 70 Shore A O-Ring measuring an inside diameter of 5.109 in (129.77 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.387 in (136.83 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

As a material, Silicone delivers physiological inertness and low toxicity, excellent electrical insulating properties. The compound resists many oxidizing chemicals, extreme heat and cold, and weathering. Rated temperature range runs from -80°F (-62.2°C) to 450°F (232.2°C) in continuous service.

This item meets FDA requirements for food contact under 21 CFR 177.2600. Maintenance and OEM teams specify it across ovens and heated equipment, sanitary process lines, and food and beverage processing.

Reference part number S70FDA251 when ordering; the item is sold individually. Unit weight is approximately 5.95 g and nominal inside diameter is listed as 5 1/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.