-448 BLACK BUNA 90D O-RING

APG stocks the H90448, an AS568-448 black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 9.475 in (240.67 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 10.025 in (254.64 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

The material holds up against many alcohols, hydraulic fluids, and propane and butane. That behavior comes from the compound itself: Buna-N (Nitrile) delivers the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

Common environments for this compound include hydraulic and pneumatic systems, general industrial maintenance, and construction equipment.

This item is sold individually under part number H90448. Unit weight is approximately 41.686 g and nominal inside diameter is listed as 9 1/2 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.