Ordered as H90M5X155, this is a black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 155 mm (6.102 in), a cross section of 5 mm (0.197 in), and an outside diameter of 165 mm (6.5 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.
Expect good resistance to hydraulic fluids, water, and petroleum-based oils. Buna-N (Nitrile) is known for an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in automotive brake fluid or ozone and direct sunlight.
Maintenance and OEM teams specify it across general industrial maintenance, hydraulic and pneumatic systems, and construction equipment.
Stocked as H90M5X155 and sold individually. Unit weight is approximately 12.77 g. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description 5MM CS X 155MM ID BLACK BUNA 90D
uf_description2 METRIC O-RING
Actual_OD 165 mm (6.5 inch)
Actual_CS 5 mm (0.197 inch)
Actual_ID 155 mm (6.102 inch)
ProductCode Description O-Rings - Metric - Commodity