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The VALUE COLLECTION ZMSCH70FDA014 is a Dash 014 Buna-N (nitrile butadiene rubber) O-ring with a round cross section, sold in packs of 25. It measures 0.500 inches inside diameter, 0.625 inches outside diameter, and 0.0625 inches thick. With a Shore A hardness of 70, this O-ring delivers firm sealing performance across a wide service temperature range of -40 degrees F to 250 degrees F. The white color and FDA-approved compound make it suitable for applications requiring food-grade material compliance. Licensed plumbers, HVAC technicians, and maintenance professionals rely on this elastomer for reliable static and dynamic sealing in petroleum-fluid systems.
This O-ring is used in residential and commercial plumbing, HVAC, and industrial fluid-handling applications where petroleum-based fluids or lubricants are present. Its Buna-N compound provides excellent resistance to petroleum products, hydraulic oils, and fuels, making it a standard choice for fittings, valves, pumps, and cylinders. The FDA-approved white Buna-N formulation also suits light food-processing and sanitary equipment installations. Each pack contains 25 O-rings to support service calls and maintenance stock.
Compatible with petroleum products and petroleum-based fluids. Designed as a standard Dash 014 O-ring replacement for use in valves, fittings, pumps, and cylinders in plumbing, HVAC, and industrial fluid-handling systems where Buna-N elastomers are specified.
Installation is typically performed by licensed plumbers, HVAC technicians, or industrial maintenance mechanics. Depressurize and drain the system fully before replacing any O-ring. Lubricate the O-ring with a compatible fluid or assembly lubricant before seating to prevent tearing during installation. Do not store unused O-rings in direct sunlight or near motors and other electrical equipment that may generate ozone, as this degrades the elastomer.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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