Value Collection ZMSCH70167 O-ring Dash 167 Nitrile 25 Pack

Product Description

The VALUE COLLECTION ZMSCH70167 is a Dash 167 Buna-N (Nitrile Butadiene Rubber) o-ring with a 7.0000 inch inside diameter, a 7.1880 inch outside diameter, and a 3/32 inch (0.0937 inch) round cross section. Rated at 70 Shore A hardness, this o-ring is designed for sealing applications where contact with petroleum-based fluids is expected. It carries a working temperature range of -40 degrees F to 250 degrees F, making it suitable for a wide variety of mechanical and fluid system sealing tasks. Plumbers, HVAC technicians, and industrial service technicians install this o-ring in pumps, valves, cylinders, and pipe fittings where a reliable static or dynamic face seal is required. Each package contains 25 o-rings.

This o-ring is used in residential and commercial plumbing, HVAC refrigerant circuits, hydraulic systems, and pneumatic assemblies where petroleum-based fluids or moderate-temperature service conditions are present. The Buna-N compound is the most widely used o-ring elastomer in the trade, chosen for its dependable resistance to petroleum products, oils, and fuels. It is appropriate for general-purpose sealing in pumps, valves, flanges, and equipment service ports across a broad range of applications. Technicians should confirm dimensional compatibility with the specific groove or gland before installation. This product does not carry FDA approval and is not intended for food-contact applications.

Key Features

• Buna-N (Nitrile Butadiene Rubber) compound offers excellent resistance to petroleum products, oils, and fuels
• 70 Shore A hardness rating provides a firm, reliable compression seal in standard gland designs
• Round cross section, 0.0937 inches thick, meets Dash 167 dimensional standard
• Operating range of -40 degrees F to 250 degrees F suits most HVAC, plumbing, and hydraulic service environments
• Meets SAE and MIL-Spec standards
• Packaged in quantities of 25 for service inventory and repeat maintenance tasks

Compatibility

Designed as a standard Dash 167 o-ring replacement for any gland or groove machined to accommodate a 7.0000 inch inside diameter, 7.1880 inch outside diameter, 0.0937 inch cross-section seal. Compatible with petroleum products and petroleum-based fluids. Not recommended for use with ozone-generating equipment or prolonged direct sunlight exposure.

Installation Notes

Installation is typically performed by licensed plumbers, HVAC technicians, or industrial maintenance technicians. Always depressurize and isolate the system before removing the old o-ring and installing the replacement. Lightly lubricate the o-ring with a compatible fluid or grease before seating it in the gland to prevent tearing during assembly. Do not store unused o-rings near motors, electrical equipment, or in direct sunlight, as ozone and UV exposure degrade Buna-N compounds over time.