The H70041 is an AS568-041 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 2.989 in (75.92 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 3.129 in (79.48 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.
As a material, Buna-N (Nitrile) delivers the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. The compound resists petroleum-based oils, many alcohols, and propane and butane. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving polar solvents or automotive brake fluid call for a different compound.
It sees regular use in agricultural equipment, automotive, and fluid power.
Order part number H70041, sold individually. Unit weight is approximately 0.7714 g and nominal inside diameter is listed as 3 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Description -041 BLACK BUNA 70D O-RING
Actual Cross Section 0.07 inch (1.78 mm)
Actual Inside Diameter 2.989 inch (75.92 mm)
Actual Outside Diameter 3.129 inch (79.48 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity