-384 BLACK BUNA 90D O-RING

APG stocks the H90384, an AS568-384 black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 14.975 in (380.37 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 15.395 in (391.03 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Buna-N (Nitrile) offers low compression set under sustained load and an economical choice for high-volume maintenance programs. The compound resists petroleum-based oils, hydraulic fluids, and water. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It is not the right choice where strong acids or ozone and direct sunlight are present.

Maintenance and OEM teams specify it across agricultural equipment, general industrial maintenance, and fluid power.

Stocked as H90384 and sold individually. Unit weight is approximately 36.5372 g. Check the compound against your process media, pressure and temperature before committing to a design. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.