5.7MM CS X 52.6MM ID BLACK BUNA 90D

Ordered as H90M5.7X52.6, this is a black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 52.6 mm (2.071 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 64 mm (2.52 in). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware. Additional detail on this item: Metric O-RING, JIS P53.

Buna-N (Nitrile) offers low compression set under sustained load, reliable performance in both static and dynamic service. The material holds up against water, greases and lubricants, and hydraulic fluids. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where automotive brake fluid or polar solvents are present.

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

Reference part number H90M5.7X52.6 when ordering; the item is sold individually. Unit weight is approximately 6.4398 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.