This o-ring is supplied in black Viton® (FKM) 75 Shore A measuring an inside diameter of 39.7 mm (1.563 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 46.7 mm (1.84 in), catalogued under part number V3.5X39.7. It compresses into its gland to block fluid or gas migration across a joint. This item is further identified as Metric O-RING, JIS P40.
As a material, Viton® (FKM) is known for long service life in hot, chemically aggressive environments and outstanding high-temperature capability. This material stands up to aromatic hydrocarbons, many acids, and aggressive chemicals. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C).
Maintenance and OEM teams specify it across chemical processing, high-temperature process equipment, and aerospace.
V3.5X39.7 ships individually. Unit weight is approximately 2.428 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description 3.5MM CS X 39.7MM ID BLACK FKM 75D
uf_description2 METRIC O-RING, JIS P40
Actual_OD 46.7 mm (1.84 inch)
Actual_CS 3.5 mm (0.138 inch)
Actual_ID 39.7 mm (1.563 inch)
ProductCode Description O-Rings - Metric - Commodity