Value Collection ZMSCS70223 Silicone O-ring Dash 223 50-pack

Product Description

The VALUE COLLECTION ZMSCS70223 is a round-cross-section silicone O-ring sized to Dash 223 dimensions: 1.625 inches inside diameter, 1.875 inches outside diameter, and 0.125 inches thick. With a hardness rating of 70 Shore A, this O-ring is formulated for applications that demand a wide temperature operating range, from -80 degrees F to 450 degrees F. The silicone compound provides good dry heat resistance and solid weather and ozone resistance. Licensed trades and maintenance professionals install this style of O-ring as a sealing element in fluid, pneumatic, and mechanical systems.

This O-ring is suited for use in residential and commercial applications where consistent sealing performance across extreme temperature swings is required. It is compatible with oils, chemicals, and solvents, though users should note that oil resistance is limited compared to other elastomer compounds. Typical installation scenarios include static and low-pressure dynamic sealing grooves in plumbing, HVAC equipment, and industrial assemblies. This package contains 50 O-rings, making it a practical bench stock quantity for service technicians and maintenance shops.

Key Features

• Dash 223 standard sizing: 1.625 inches ID, 1.875 inches OD, 0.125 inches thick
• Silicone compound rated for -80 degrees F to 450 degrees F operating range
• 70 Shore A hardness for firm, reliable sealing under compression
• Round cross section for compatibility with standard O-ring groove designs
• Good weather and ozone resistance for outdoor or exposed installations
• Pack of 50 units for bench stock or multi-unit service calls

Compatibility

Compatible with applications involving oils, chemicals, and solvents; note that oil resistance is limited. Designed as a standard Dash 223 replacement O-ring for static and dynamic sealing grooves in HVAC, plumbing, and general industrial equipment.

Installation Notes

O-rings of this type are installed by plumbers, HVAC technicians, and general mechanical trades. Before replacing an O-ring, depressurize the system and shut off any fluid or gas supply at the nearest isolation valve. Inspect the groove for nicks, burrs, or corrosion that could compromise the seal before seating the new O-ring. Avoid twisting or over-stretching the O-ring during installation, as distortion can cause premature seal failure.