This o-ring is supplied in AS568-118 black Buna-N (Nitrile) 90 Shore A with an inside diameter of 0.862 in (21.89 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.068 in (27.13 mm), catalogued under part number H90118. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
Buna-N (Nitrile) offers the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. Expect good resistance to hydraulic fluids, water, and petroleum-based oils. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Exposure to ketones or automotive brake fluid will shorten service life.
Typical settings include fluid power, agricultural equipment, and general industrial maintenance.
Stocked as H90118 and sold individually. Unit weight is approximately 0.561 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Description -118 BLACK BUNA 90D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 0.862 inch (21.89 mm)
Actual Outside Diameter 1.068 inch (27.13 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity