-237 BLACK BUNA 90D O-RING

H90237 is an AS568-237 black Buna-N (Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 3.359 in (85.32 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.637 in (92.38 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

As a material, Buna-N (Nitrile) is valued for strong abrasion and tear resistance, low compression set under sustained load. The compound resists greases and lubricants, many alcohols, and hydraulic fluids. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with ketones or polar solvents.

Common environments for this compound include construction equipment, hydraulic and pneumatic systems, and agricultural equipment.

Reference part number H90237 when ordering; the item is sold individually. Unit weight is approximately 3.6 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.