Ordered as H70342, this is an AS568-342 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 3.6 in (91.44 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.02 in (102.11 mm). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
As a material, Buna-N (Nitrile) is specified for low compression set under sustained load, reliable performance in both static and dynamic service. The material holds up against many alcohols, water, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in strong acids or polar solvents.
Common environments for this compound include general industrial maintenance, automotive, and agricultural equipment.
Reference part number H70342 when ordering; the item is sold individually. Unit weight is approximately 8.37 g and nominal inside diameter is listed as 3 5/8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
description -342 BLACK BUNA 70D O-RING
uf_description2 0.210" (5.33MM) CS X 3.600" (91.44MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 3.6 inch (91.44 mm)
Actual_OD 4.02 inch (102.11 mm)
ProductCode Description O-Rings - Bulk - Commodity