Value Collection ZMSCS70103 Silicone O-ring Dash 103 50-pack

Product Description

The VALUE COLLECTION ZMSCS70103 is a round cross-section silicone O-ring sized to Dash 103 standards. It measures 0.0937 inches inside diameter, 0.281 inches outside diameter, and 0.0937 inches thick. The white silicone compound carries a Shore A hardness of 70 and is rated for a continuous service temperature range of -80 degrees F to 450 degrees F, making it well-suited for applications that demand wide thermal tolerance and reliable dry heat resistance. Each package contains 50 O-rings. Licensed plumbers, HVAC technicians, and mechanical maintenance personnel install these seals in fluid and gas handling assemblies where a durable, heat-stable elastomeric seal is required.

This O-ring is used in residential and commercial mechanical systems where sealing performance across a broad temperature range is critical. Typical applications include fluid fittings, valve stems, pump housings, and threaded connections exposed to heat cycling, outdoor weathering, or ozone. The silicone material offers good resistance to weather and ozone exposure. Note that this compound has limited oil resistance; it is better suited for dry heat, chemical, and solvent environments than for petroleum-based lubricant or fuel contact applications.

Key Features

• Dash 103 standard sizing: 0.0937 inches ID, 0.281 inches OD, 0.0937 inches thick
• Silicone compound rated from -80 degrees F to 450 degrees F continuous service
• Shore A hardness of 70 for consistent compression and seal integrity
• Good resistance to weather, ozone, chemicals, and solvents
• Round cross-section profile for standard groove fitment
• Packaged in quantities of 50 per order unit

Compatibility

Designed for use in standard Dash 103 O-ring grooves across plumbing, HVAC, and industrial mechanical assemblies where silicone elastomer is the specified or preferred compound. Verify groove dimensions and fluid compatibility before installation.

Installation Notes

Installation should be performed by a qualified technician following applicable mechanical codes. Depressurize and isolate the system before removing any existing seal. Lubricate the O-ring with a silicone-compatible lubricant only; do not use petroleum-based greases, as they can degrade the silicone compound. Inspect the mating groove for burrs or damage before seating the new O-ring to avoid cutting or pinching the seal during assembly.