-033 BLACK BUNA 70D O-RING

Part number H70033 is an AS568-033 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 1.989 in (50.52 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 2.129 in (54.08 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, strong abrasion and tear resistance. The compound resists water, hydraulic fluids, and many alcohols. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Applications involving polar solvents or strong acids call for a different compound.

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

Reference part number H70033 when ordering; the item is sold individually. Unit weight is approximately 0.511 g and nominal inside diameter is listed as 2 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.