5.7MM CS X 51.6MM ID BLACK BUNA 90D

Part number H90M5.7X51.6 is a black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 51.6 mm (2.031 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 63 mm (2.48 in). An o-ring compresses into its gland to block fluid or gas migration across a joint. Supplementary detail from the product record: Metric O-RING, JIS P52.

It resists hydraulic fluids, petroleum-based oils, and water. Buna-N (Nitrile) is valued for strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

Typical settings include fluid power, construction equipment, and automotive.

Reference part number H90M5.7X51.6 when ordering; the item is sold individually. Check the compound against your process media, pressure and temperature before committing to a design.