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The VALUE COLLECTION BDNA-9974 is a Dash 009 O-ring with a 7/32 inch inside diameter and a 1/16 inch cross-section thickness. Molded from Nitrile Butadiene Rubber (NBR) with a round cross-section profile, it provides reliable sealing performance in fluid and pneumatic systems. NBR is well-suited for applications involving petroleum-based oils, fuels, and water, making this O-ring a common choice across HVAC, plumbing, and general mechanical service. Licensed technicians and mechanics use this seal in valve bodies, fittings, pump assemblies, and fluid line connections where a small-diameter static or dynamic seal is required.
This O-ring is suited for residential and light commercial applications involving hydraulic fittings, refrigerant valves, water control assemblies, and pneumatic components. Its Dash 009 designation follows the standard AS568 sizing system, allowing straightforward identification and cross-referencing during service calls. The inch measurement system ensures direct compatibility with standard imperial-dimensioned hardware commonly found in North American trade applications.
Designed as a standard Dash 009 O-ring replacement for imperial-dimensioned fittings, valve bodies, and fluid connections in HVAC, plumbing, and mechanical service applications.
Installation should be performed by a qualified technician familiar with sealing practices for the relevant system type. Depressurize and de-energize the system before replacing any O-ring seal. Lightly lubricate the O-ring with a compatible lubricant prior to installation to prevent tearing during assembly. Avoid overstretching the ring during placement, as this can compromise the seal and reduce service life.
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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