Value Collection ZMSCH70MD010 O-ring Dash 010 Nbr 50pk

Product Description

The VALUE COLLECTION ZMSCH70MD010 is a Dash 010 O-ring sized at 0.250 inches inside diameter, 0.375 inches outside diameter, and 0.0625 inches thick. Made from Nitrile Butadiene Rubber (NBR) with a round cross-section and a Shore A hardness of 70, this O-ring delivers excellent resistance to petroleum-based fluids, good compression set performance, and solid tear and abrasion resistance. Each package contains 50 pieces. HVAC technicians, plumbers, and fluid system mechanics use this O-ring in sealing applications involving oils, fuels, and hydraulic fluids where consistent sealing under pressure and thermal cycling is required.

This O-ring is suited for residential and commercial sealing applications in HVAC refrigerant fittings, plumbing connections, hydraulic assemblies, and fuel system components where petroleum-fluid compatibility is needed. The Dash 010 designation is a standard AS568 size, making it a widely stocked replacement for general sealing use across fluid-handling equipment. The NBR compound performs reliably across a temperature range of -40 degrees F to 250 degrees F, covering most field service conditions. It should not be stored in direct sunlight or near motors and electrical equipment that generate ozone, as ozone exposure degrades NBR compounds.

Key Features

• NBR (Nitrile Butadiene Rubber) construction with excellent resistance to petroleum products including oils and fuels
• Dash 010 standard AS568 size: 0.250 inches ID, 0.375 inches OD, 0.0625 inches thick
• 70 Shore A hardness rating for firm compression sealing
• Operating temperature range: -40 degrees F to 250 degrees F
• Round cross-section geometry for consistent seating in standard O-ring grooves
• Pack of 50 pieces per order unit

Compatibility

Compatible with petroleum-based fluids and products. Designed as a standard Dash 010 O-ring for general sealing applications in HVAC, plumbing, hydraulic, and fuel system assemblies that call for an NBR elastomer seal.

Installation Notes

Installation is typically performed by licensed HVAC technicians, plumbers, or mechanical technicians. De-energize equipment and relieve all system pressure before removing or installing O-rings. Inspect the mating groove for burrs, corrosion, or debris before seating the O-ring. Avoid using sharp tools that could nick or cut the O-ring during installation, as surface damage will cause premature seal failure.