1.5MM CS X 21MM ID BLACK BUNA 70D

Ordered as H1.5X21, this is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 21 mm (0.827 in), a cross section of 1.5 mm (0.059 in), and an outside diameter of 24 mm (0.94 in). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is valued for the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. This material stands up to many alcohols, hydraulic fluids, and petroleum-based oils. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It is not the right choice where automotive brake fluid or ketones are present.

Common environments for this compound include automotive, fluid power, and hydraulic and pneumatic systems.

Reference part number H1.5X21 when ordering; the item is sold individually. Unit weight is approximately 0.0002 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.