The H1.9X5.8 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 5.8 mm (0.228 in), a cross section of 1.9 mm (0.075 in), and an outside diameter of 9.6 mm (0.38 in). This o-ring compresses into its gland to block fluid or gas migration across a joint. The catalog record notes: Metric O-RING, JIS P6.
Buna-N (Nitrile) is specified for strong abrasion and tear resistance, low compression set under sustained load. The compound resists petroleum-based oils, many alcohols, and propane and butane. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It is not the right choice where strong acids or polar solvents are present.
Common environments for this compound include fluid power, agricultural equipment, and automotive.
This item is sold individually under part number H1.9X5.8. Unit weight is approximately 0.0871 g. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description 1.9MM CS X 5.8MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING, JIS P6
Actual_OD 9.6 mm (0.38 inch)
Actual_CS 1.9 mm (0.075 inch)
Actual_ID 5.8 mm (0.228 inch)
ProductCode Description O-Rings - Metric - Commodity