Value Collection ZMSCS70146 Silicone O-ring Dash 146 10-pack

Product Description

The VALUE COLLECTION ZMSCS70146 is a silicone O-ring with a round cross section, sized to the Dash 146 standard. It measures 2.625 inches inside diameter, 2.813 inches outside diameter, and 0.094 inches thick. With a Shore A hardness of 70, this O-ring delivers firm, reliable sealing in static and low-motion dynamic applications. The silicone compound provides wide temperature performance from -80 degrees F to 450 degrees F, along with good resistance to dry heat, weather, and ozone. Licensed trades and maintenance technicians install these O-rings in plumbing, HVAC, and industrial fluid systems where consistent sealing at temperature extremes is required. Each package contains 10 O-rings.

This O-ring is suited for residential and light commercial applications where exposure to a broad temperature range is expected. Silicone compound performs well in dry heat environments and resists ozone and weathering degradation. It has limited oil resistance and is compatible with oils, chemicals, and solvents in less aggressive concentrations. Plumbers, HVAC technicians, and maintenance professionals use this size for valve seats, cap seals, and fitting connections where a Dash 146 silicone O-ring is specified. The white color aids visual inspection during assembly and maintenance.

Key Features

• Dash 146 standard sizing: 2.625 inches ID x 2.813 inches OD x 0.094 inches thick
• Silicone compound rated from -80 degrees F to 450 degrees F
• Shore A hardness of 70 for firm, stable sealing compression
• Good weather and ozone resistance for outdoor or exposed installations
• Round cross section for consistent groove seating and even load distribution
• Sold in a pack of 10 to support service stock and repeat maintenance tasks

Compatibility

Compatible with oils, chemicals, and solvents; recommended for applications requiring a wide temperature range and good dry heat resistance. Not FDA approved. Verify groove dimensions and dash number against OEM specifications before installation.

Installation Notes

Plumbers and HVAC technicians install O-rings of this type in valve bodies, unions, fittings, and equipment access ports. Shut off fluid supply and relieve system pressure completely before removing any component containing an O-ring. Inspect the groove for nicks, corrosion, or debris before seating the new O-ring. Avoid twisting or rolling the O-ring during installation to prevent spiral failure; a light application of compatible lubricant aids proper seating.