-457 BLACK BUNA 90D O-RING

APG stocks the H90457, an AS568-457 black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 13.975 in (354.97 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 14.525 in (368.94 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) is valued for an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. This material stands up to greases and lubricants, 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 should not be specified for service in polar solvents or strong acids.

Maintenance and OEM teams specify it across fluid power, agricultural equipment, and hydraulic and pneumatic systems.

This item is sold individually under part number H90457. Unit weight is approximately 56.6 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.