Part number H3X118 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 118 mm (4.646 in), a cross section of 3 mm (0.118 in), and an outside diameter of 124 mm (4.88 in). An 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) delivers reliable performance in both static and dynamic service, strong abrasion and tear resistance. The compound resists many alcohols, hydraulic fluids, and petroleum-based oils. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with polar solvents or ketones.
It sees regular use in automotive, hydraulic and pneumatic systems, and agricultural equipment.
Reference part number H3X118 when ordering; the item is sold individually. Unit weight is approximately 3.404 g. Check the compound against your process media, pressure and temperature before committing to a design. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description 3MM CS X 118MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 124 mm (4.88 inch)
Actual_CS 3 mm (0.118 inch)
Actual_ID 118 mm (4.646 inch)
ProductCode Description O-Rings - Metric - Commodity