The H90M3X148 is a black Buna-N (Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 148 mm (5.827 in), a cross section of 3 mm (0.118 in), and an outside diameter of 154 mm (6.06 in). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.
The compound resists hydraulic fluids, petroleum-based oils, and propane and butane. That behavior comes from the compound itself: Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer and an economical choice for high-volume maintenance programs. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ozone and direct sunlight or ketones.
It sees regular use in hydraulic and pneumatic systems, automotive, and construction equipment.
H90M3X148 ships individually. Unit weight is approximately 4.364 g. Review your operating media and conditions against this specification before installation.
Description 3MM CS X 148MM ID BLACK BUNA 90D
Actual Outside Diameter 154 mm (6.06 inch)
Actual Cross Section 3 mm (0.118 inch)
Actual Inside Diameter 148 mm (5.827 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity