2MM CS X 52.5MM ID BLACK BUNA 90D

Part number H90M2X52.5 is a black Buna-N (Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 52.5 mm (2.067 in), a cross section of 2 mm (0.079 in), and an outside diameter of 56.5 mm (2.22 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware. The catalog record notes: Metric O-RING, JIS S53.

It resists petroleum-based oils, greases and lubricants, and propane and butane. Buna-N (Nitrile) offers strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. 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.

Maintenance and OEM teams specify it across automotive, construction equipment, and general industrial maintenance.

Stocked as H90M2X52.5 and sold individually. Unit weight is approximately 0.754 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.