5.7MM CS X 69.6MM ID BLACK BUNA 90D

Part number H90M5.7X69.6 is a black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 69.6 mm (2.74 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 81 mm (3.19 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware. Supplementary detail from the product record: Metric O-RING, JIS P70.

As a material, Buna-N (Nitrile) is known for low compression set under sustained load and an economical choice for high-volume maintenance programs. The material holds up against greases and lubricants, petroleum-based oils, and hydraulic fluids. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ozone and direct sunlight or ketones.

It sees regular use in automotive, fluid power, and agricultural equipment.

Order part number H90M5.7X69.6, sold individually. Unit weight is approximately 8.4017 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.