Ordered as V1X19, this is a black Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 19 mm (0.748 in), a cross section of 1 mm (0.039 in), and an outside diameter of 21 mm (0.83 in). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
The material holds up against aromatic hydrocarbons, petroleum oils and fuels, and engine and transmission fluids. That behavior comes from the compound itself: Viton® (FKM) is valued for excellent resistance to compression set and permeation, the industry benchmark where nitrile reaches its thermal limit. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). It is not the right choice where ketones and esters or amines are present.
Maintenance and OEM teams specify it across oil and gas, aerospace, and high-temperature process equipment.
V1X19 ships individually. Unit weight is approximately 0.0931 g. Check the compound against your process media, pressure and temperature before committing to a design.
description 1MM CS X 19MM ID BLACK FKM 75D
uf_description2 METRIC O-RING
Actual_OD 21 mm (0.83 inch)
Actual_CS 1 mm (0.039 inch)
Actual_ID 19 mm (0.748 inch)
ProductCode Description O-Rings - Metric - Commodity