Ordered as S70356, this is an AS568-356 red Silicone 70 Shore A O-Ring with an inside diameter of 5.35 in (135.89 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.77 in (146.56 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.
Silicone is specified here for physiological inertness and low toxicity, very good compression set resistance across its range. Expect good resistance to many oxidizing chemicals, extreme heat and cold, and weathering. The material carries a published service range of -80°F (-62.2°C) to 450°F (232.2°C). Applications involving abrasive dynamic service or steam above its rated range call for a different compound.
Typical settings include pharmaceutical manufacturing, electronics and electrical enclosures, and medical devices.
Reference part number S70356 when ordering; the item is sold individually. Unit weight is approximately 13.84 g and nominal inside diameter is listed as 5 3/8 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -356 RED SILICONE 70D O-RING
uf_description2 0.210" (5.33MM) CS X 5.350" (135.89MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 5.35 inch (135.89 mm)
Actual_OD 5.77 inch (146.56 mm)
ProductCode Description O-Rings - Bulk - Commodity