This o-ring is supplied in black Buna-N (Nitrile) 90 Shore A supplied with an inside diameter of 359.5 mm (14.154 in), a cross section of 8.4 mm (0.331 in), and an outside diameter of 376.3 mm (14.81 in), catalogued under part number H90M8.4X359.5. It compresses into its gland to block fluid or gas migration across a joint. Source specification: Metric O-RING, JIS P360.
As a material, Buna-N (Nitrile) delivers the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. The material holds up against hydraulic fluids, many alcohols, and greases and lubricants. 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 ozone and direct sunlight or polar solvents are present.
You will find this material specified across fluid power, agricultural equipment, and construction equipment.
Reference part number H90M8.4X359.5 when ordering; the item is sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description 8.4MM CS X 359.5MM ID BLACK BUNA 90D
uf_description2 METRIC O-RING, JIS P360
Actual_OD 376.3 mm (14.81 inch)
Actual_CS 8.4 mm (0.331 inch)
Actual_ID 359.5 mm (14.154 inch)
ProductCode Description O-Rings - Metric - Commodity