APG stocks the H50352, an AS568-352 black Buna-N (Nitrile) 50 Shore A O-Ring with an inside diameter of 4.85 in (123.19 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.27 in (133.86 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Buna-N (Nitrile) is known for low compression set under sustained load, reliable performance in both static and dynamic service. The material holds up against hydraulic fluids, many alcohols, and water. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in strong acids or ozone and direct sunlight.
Typical settings include automotive, general industrial maintenance, and construction equipment.
Stocked as H50352 and sold individually. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Description -352 BLACK BUNA 50D O-RING
Actual Cross Section 0.21 inch (5.33 mm)
Actual Inside Diameter 4.85 inch (123.19 mm)
Actual Outside Diameter 5.27 inch (133.86 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity