APG stocks the H70122, an AS568-122 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 1.112 in (28.24 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.318 in (33.48 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.
Buna-N (Nitrile) offers the most widely specified general-purpose sealing elastomer and low compression set under sustained load. Expect good resistance to propane and butane, petroleum-based oils, and hydraulic fluids. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with strong acids or ketones.
You will find this material specified across fluid power, agricultural equipment, and general industrial maintenance.
Order part number H70122, sold individually. Unit weight is approximately 0.637 g and nominal inside diameter is listed as 1 1/8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Description -122 BLACK BUNA 70D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 1.112 inch (28.24 mm)
Actual Outside Diameter 1.318 inch (33.48 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity