3.5MM CS X 47.7MM ID BLACK BUNA 90D

Part number H90M3.5X47.7 is a black Buna-N (Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 47.7 mm (1.878 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 54.7 mm (2.15 in). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. Supplementary detail from the product record: Metric O-RING, JIS P48.

Buna-N (Nitrile) is widely chosen for strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. It resists petroleum-based oils, hydraulic fluids, and many alcohols. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Exposure to automotive brake fluid or ketones will shorten service life.

It sees regular use in construction equipment, automotive, and agricultural equipment.

Order part number H90M3.5X47.7, sold individually. Unit weight is approximately 2.2068 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.