This o-ring is supplied in AS568-261 black Viton® (FKM) 70 Shore A built to an inside diameter of 6.734 in (171.04 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 7.012 in (178.1 mm), catalogued under part number SB-V70261-2. It provides a reliable static or dynamic seal by deforming into its gland under assembly load. Additional detail on this item: 0.139CSX6.734"IDX7.012"OD.
The compound resists aggressive chemicals, engine and transmission fluids, and petroleum oils and fuels. Viton® (FKM) delivers 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 should not be specified for service in ketones and esters or hot water and steam.
It sees regular use in aerospace, semiconductor equipment, and high-temperature process equipment.
Order part number SB-V70261-2, sold by the bag. Nominal inside diameter is listed as 6 3/4 inch. Check the compound against your process media, pressure and temperature before committing to a design. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description Viton 75-261-Black-Pk2
uf_description2 0.139"CSX6.734"IDX7.012"OD
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 6.734 inch (171.04 mm)
Actual_OD 7.012 inch (178.1 mm)
ProductCode Description O-Rings - Bagged - Commodity