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The VALUE COLLECTION WS-HF-CAM-190 is a square cross section O-ring manufactured from Buna-N (Nitrile Butadiene Rubber), a synthetic elastomer widely used in fluid sealing applications. With a 6.0000-inch inside diameter, a 7.0799-inch outside diameter, and a 0.25-inch cross section thickness, this O-ring is sized for larger-bore static or low-movement dynamic sealing applications. Buna-N material provides solid resistance to petroleum-based oils, hydraulic fluids, fuels, and water, making it a reliable choice for HVAC, plumbing, and industrial fluid system connections. The square cross section improves groove retention and reduces rollout compared to round-profile O-rings in certain static groove configurations.
This O-ring is suited for use in residential and commercial HVAC equipment, plumbing assemblies, pump housings, valve bodies, and hydraulic manifolds where a larger-diameter face seal or bore seal is required. It is appropriate for applications involving petroleum-based or water-based fluid media at moderate temperatures. Plumbers, HVAC technicians, and industrial maintenance technicians typically install this part during equipment overhaul, valve replacement, or pump servicing when the original sealing element shows wear, compression set, or leakage.
Designed as an OEM-style replacement square cross section O-ring for larger-bore sealing applications in HVAC, plumbing, pump, valve, and hydraulic system assemblies requiring a Buna-N elastomer with a 6.0000-inch inside diameter.
Installation should be performed by a qualified plumber, HVAC technician, or maintenance mechanic. Always depressurize and isolate the fluid circuit before removing the existing O-ring. Inspect the groove for scoring, corrosion, or debris before seating the new O-ring. Apply a thin, compatible lubricant to the O-ring prior to installation to prevent tearing and ensure proper seating — do not use lubricants that are incompatible with Nitrile Butadiene Rubber.
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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