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The VALUE COLLECTION BDNA-MP9984 is a Dash 116 O-ring manufactured from Nitrile Butadiene Rubber (NBR) with a round cross section. It measures 3/4 inch inside diameter and 3/32 inch thick, with a durometer hardness rating of 70 Shore A. This O-ring is designed to create reliable static or dynamic seals in fluid and pneumatic systems. It is commonly installed by plumbers, HVAC technicians, and mechanical service professionals in applications where resistance to oils, fuels, and water is required. The NBR compound provides solid performance across a broad range of industrial and trade service environments.
This O-ring is suited for use in residential and commercial plumbing, HVAC refrigerant circuits, hydraulic fittings, pump assemblies, and general mechanical systems that require a standardized inch-series seal. The Dash 116 designation follows the standard AS568 sizing system, making it a widely recognized size for technicians sourcing replacement seals. It is sold individually with a minimum order quantity of 10 units.
Designed as a standard Dash 116 inch-series O-ring replacement suitable for plumbing valves, HVAC fittings, hydraulic connectors, pump seals, and other assemblies requiring a 3/4 inch ID NBR O-ring.
Installation should be performed by a qualified plumber, HVAC technician, or mechanical service professional. Always depressurize and isolate the system before removing the existing O-ring and installing the replacement. Inspect the groove and mating surfaces for damage or contamination before seating the new O-ring. A compatible lubricant may be applied to ease installation and prevent rolling or tearing during assembly.
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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