21.952" (557.58MM) ID X .210" (5.33MM

This Silicone 70A FDA Metal-Detectable O-Ring, item S70FDA391, is designed for buyers who need a clear specification match for food processing, packaging, washdown and detectable sealing applications where material selection is critical. The item is specified by AS568-391; 21.953 inch (557.61 mm) ID x 0.21 inch (5.33 mm) CS; 22.373 inch (568.27 mm) OD, with 22 inch nominal ID; 3/16 inch nominal CS for cross-reference against common gland and replacement dimensions. Its Silicone material provides flexibility across broad temperature swings and clean sealing applications that require a soft, compliant elastomer. It is with a listed temperature range of -80°F (-62.2°C) to 450°F (232°C), which can help narrow material selection for heat, cold or process exposure. The red color and round profile provide a practical visual identifier during receiving, stocking and installation. This category is commonly specified for processing environments, packaging equipment and washdown areas where seal identification matters. The each-unit format supports precise replacement, kitting, resale and job-specific purchasing. This product belongs to FDA and metal-detectable material options for food processing and detectable sealing applications. Common purchasing identifiers for this product include the material name, O-ring type, dimensional size, hardness and intended sealing application. Those attributes make the item easier to compare for maintenance, OEM production, MRO replacement and reseller catalog use.