Buna 70-030-Black-Pk10

Part number SB-H70030-10 is an AS568-030 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 1.614 in (41 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 1.754 in (44.55 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies. Supplementary detail from the product record: 1.75IDX1.625"ODX.0625"CS.

Buna-N (Nitrile) is known for low compression set under sustained load and an economical choice for high-volume maintenance programs. The material holds up against propane and butane, 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 automotive brake fluid call for a different compound.

Common environments for this compound include agricultural equipment, hydraulic and pneumatic systems, and general industrial maintenance.

Order part number SB-H70030-10, sold by the bag. Nominal inside diameter is listed as 1 5/8 inch. Check the compound against your process media, pressure and temperature before committing to a design. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.