This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A with an inside diameter of 115 mm (4.528 in), a cross section of 4 mm (0.157 in), and an outside diameter of 123 mm (4.84 in), catalogued under part number H4X115. It creates a positive seal at flange, piston and rod interfaces without added hardware.
Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, most widely specified general-purpose sealing elastomer. The material holds up against hydraulic fluids, many alcohols, and propane and butane. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).
You will find this material specified across construction equipment, agricultural equipment, and general industrial maintenance.
Stocked as H4X115 and sold individually. Unit weight is approximately 5.8296 g. 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 4MM CS X 115MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 123 mm (4.84 inch)
Actual_CS 4 mm (0.157 inch)
Actual_ID 115 mm (4.528 inch)
ProductCode Description O-Rings - Metric - Commodity