-252 BLACK BUNA 90D O-RING

Part number H90252 is an AS568-252 black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 5.234 in (132.94 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.512 in (140 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is specified here for low compression set under sustained load and most widely specified general-purpose sealing elastomer. The material holds up against hydraulic fluids, greases and lubricants, 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 construction equipment, fluid power, and agricultural equipment.

Reference part number H90252 when ordering; the item is sold individually. Unit weight is approximately 5.477 g and nominal inside diameter is listed as 5 1/4 inch. Check the compound against your process media, pressure and temperature before committing to a design.