The H7X25 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 25 mm (0.984 in), a cross section of 7 mm (0.276 in), and an outside diameter of 39 mm (1.54 in). This o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
As a material, Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer and an economical choice for high-volume maintenance programs. It resists greases and lubricants, hydraulic fluids, and propane and butane. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in automotive brake fluid or strong acids.
Typical settings include automotive, hydraulic and pneumatic systems, and construction equipment.
Order part number H7X25, sold individually. Unit weight is approximately 4.725 g. Check the compound against your process media, pressure and temperature before committing to a design.
description 7MM CS X 25MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 39 mm (1.54 inch)
Actual_CS 7 mm (0.276 inch)
Actual_ID 25 mm (0.984 inch)
ProductCode Description O-Rings - Metric - Commodity