This o-ring is supplied in black Viton® (FKM) 75 Shore A supplied with an inside diameter of 71 mm (2.795 in), a cross section of 5 mm (0.197 in), and an outside diameter of 81 mm (3.19 in), catalogued under part number V5X71. It compresses into its gland to block fluid or gas migration across a joint.
This material stands up to chlorinated solvents, aggressive chemicals, and many acids. That behavior comes from the compound itself: Viton® (FKM) is valued for excellent resistance to compression set and permeation, outstanding high-temperature capability. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C).
It sees regular use in semiconductor equipment, oil and gas, and aerospace.
Reference part number V5X71 when ordering; the item is sold individually. Unit weight is approximately 8.626 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description 5MM CS X 71MM ID BLACK FKM 75D
uf_description2 METRIC O-RING
Actual_OD 81 mm (3.19 inch)
Actual_CS 5 mm (0.197 inch)
Actual_ID 71 mm (2.795 inch)
ProductCode Description O-Rings - Metric - Commodity