Ordered as H70280, this is an AS568-280 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 13.984 in (355.19 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 14.262 in (362.25 mm). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.
Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. The material holds up against hydraulic fluids, greases and lubricants, and propane and butane. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It is not the right choice where automotive brake fluid or strong acids are present.
It sees regular use in agricultural equipment, hydraulic and pneumatic systems, and construction equipment.
H70280 ships individually. Unit weight is approximately 13.365 g. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description -280 BLACK BUNA 70D O-RING
uf_description2 0.139" (3.53MM) CS X 13.984" (355.19MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 13.984 inch (355.19 mm)
Actual_OD 14.262 inch (362.25 mm)
ProductCode Description O-Rings - Bulk - Commodity