Part number H90M3X35 is a black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 35 mm (1.378 in), a cross section of 3 mm (0.118 in), and an outside diameter of 41 mm (1.61 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Buna-N (Nitrile) is specified here for reliable performance in both static and dynamic service, low compression set under sustained load. Expect good resistance to petroleum-based oils, many alcohols, and hydraulic fluids. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in automotive brake fluid or strong acids.
You will find this material specified across construction equipment, automotive, and hydraulic and pneumatic systems.
Reference part number H90M3X35 when ordering; the item is sold individually. Unit weight is approximately 1.1 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description 3MM CS X 35MM ID BLACK BUNA 90D
uf_description2 METRIC O-RING
Actual_OD 41 mm (1.61 inch)
Actual_CS 3 mm (0.118 inch)
Actual_ID 35 mm (1.378 inch)
ProductCode Description O-Rings - Metric - Commodity