-426 BLACK BUNA 90D O-RING

APG stocks the H90426, an AS568-426 black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 4.6 in (116.84 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.15 in (130.81 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, low compression set under sustained load. Expect good resistance to water, petroleum-based oils, and propane and butane. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

Typical settings include fluid power, hydraulic and pneumatic systems, and general industrial maintenance.

Reference part number H90426 when ordering; the item is sold individually. Unit weight is approximately 20.817 g and nominal inside diameter is listed as 4 5/8 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.