Ordered as H6X46, this is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 46 mm (1.811 in), a cross section of 6 mm (0.236 in), and an outside diameter of 58 mm (2.28 in). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
Buna-N (Nitrile) is widely chosen for strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. The compound resists propane and butane, petroleum-based oils, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in polar solvents or strong acids.
You will find this material specified across hydraulic and pneumatic systems, automotive, and general industrial maintenance.
Order part number H6X46, sold individually. Unit weight is approximately 5.6719 g. Review your operating media and conditions against this specification before installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
description 6MM CS X 46MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 58 mm (2.28 inch)
Actual_CS 6 mm (0.236 inch)
Actual_ID 46 mm (1.811 inch)
ProductCode Description O-Rings - Metric - Commodity