Ordered as H70153, this is an AS568-153 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 3.487 in (88.57 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 3.693 in (93.8 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Expect good resistance to propane and butane, petroleum-based oils, and water. Buna-N (Nitrile) delivers the most widely specified general-purpose sealing elastomer and low compression set under sustained load. 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 polar solvents are present.
Typical settings include fluid power, general industrial maintenance, and agricultural equipment.
Order part number H70153, sold individually. Unit weight is approximately 0.0019 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Description -153 BLACK BUNA 70D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 3.487 inch (88.57 mm)
Actual Outside Diameter 3.693 inch (93.8 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity