The H70284 is an AS568-284 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 17.955 in (456.06 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 18.233 in (463.12 mm). This o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
As a material, Buna-N (Nitrile) delivers the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. It resists hydraulic fluids, propane and butane, and petroleum-based oils. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with polar solvents or strong acids.
Typical settings include fluid power, agricultural equipment, and construction equipment.
This item is sold individually under part number H70284. Unit weight is approximately 17.443 g and nominal inside diameter is listed as 18 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.
description -284 BLACK BUNA 70D O-RING
uf_description2 0.139" (3.53MM) CS X 17.955" (456.06MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 17.955 inch (456.06 mm)
Actual_OD 18.233 inch (463.12 mm)
ProductCode Description O-Rings - Bulk - Commodity