APG stocks the H90M3.5X35.7, a black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 35.7 mm (1.406 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 42.7 mm (1.68 in). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. This item is further identified as Metric O-RING, JIS P36.
Expect good resistance to water, greases and lubricants, and hydraulic fluids. Buna-N (Nitrile) is valued for low compression set under sustained load and an economical choice for high-volume maintenance programs. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It is not the right choice where strong acids or ketones are present.
It sees regular use in general industrial maintenance, agricultural equipment, and construction equipment.
Reference part number H90M3.5X35.7 when ordering; the item is sold individually. Unit weight is approximately 1.657 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Description 3.5MM CS X 35.7MM ID BLACK BUNA 90D
Actual Outside Diameter 42.7 mm (1.68 inch)
Actual Cross Section 3.5 mm (0.138 inch)
Actual Inside Diameter 35.7 mm (1.406 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity