This o-ring is supplied in AS568-437 red Silicone 70 Shore A measuring an inside diameter of 5.975 in (151.77 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 6.525 in (165.74 mm), catalogued under part number S70MD437. It creates a positive seal at flange, piston and rod interfaces without added hardware.
As a material, Silicone is known for excellent electrical insulating properties, physiological inertness and low toxicity. The material holds up against ozone and UV exposure, weathering, and extreme heat and cold. Rated temperature range runs from -80°F (-62.2°C) to 450°F (232.2°C) in continuous service.
The compound is metal detectable for HACCP and foreign-body control programs. Maintenance and OEM teams specify it across pharmaceutical manufacturing, electronics and electrical enclosures, and medical devices.
Stocked as S70MD437 and sold individually. Nominal inside diameter is listed as 6 inch. Review your operating media and conditions against this specification before installation.
Description -437 RED SILICONE 70D O-RING
Actual Cross Section 0.275 inch (6.99 mm)
Actual Inside Diameter 5.975 inch (151.77 mm)
Actual Outside Diameter 6.525 inch (165.74 mm)
Measurement System Imperial
Product Category O-Rings - FDA / Metal Detectable