This o-ring is supplied in AS568-161 black Buna-N (Nitrile) 50 Shore A with an inside diameter of 5.487 in (139.37 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 5.693 in (144.6 mm), catalogued under part number H50161. It creates a positive seal at flange, piston and rod interfaces without added hardware.
Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. The material holds up against water, hydraulic fluids, and propane and butane. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).
Typical settings include general industrial maintenance, construction equipment, and fluid power.
Order part number H50161, sold individually. Check the compound against your process media, pressure and temperature before committing to a design.
Description -161 BLACK BUNA 50D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 5.487 inch (139.37 mm)
Actual Outside Diameter 5.693 inch (144.6 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity