Value Collection ZMSCH70174 O-ring Dash 174 Buna-n

Product Description

The VALUE COLLECTION ZMSCH70174 is a Dash 174 O-ring manufactured from Nitrile Butadiene Rubber (Buna-N), a general-purpose elastomer widely used across plumbing, HVAC, hydraulic, and fluid-handling applications. It measures 8.75 inches inside diameter and 8.938 inches outside diameter with a cross-section thickness of 0.0937 inches (3/32 inches). The round cross-section profile and 70 Shore A hardness rating make it well-suited for static and low-cycle dynamic sealing tasks. Petroleum-product compatibility and solid compression-set resistance are the defining performance characteristics of this material. Licensed trades and maintenance professionals use Buna-N O-rings wherever fuel, oil, or water lines require a reliable face or radial seal.

This O-ring is appropriate for residential and light commercial sealing applications involving petroleum-based fluids, water, and compatible hydraulic media. It is commonly installed in pump housings, valve bodies, filter housings, pipe fittings, and fluid-system flanges. The working temperature range of -40 degrees F to 250 degrees F covers the majority of HVAC, plumbing, and general mechanical service conditions. This SKU is packaged in quantities of 25, with a minimum order quantity of 1 package.

Key Features

• Buna-N (Nitrile Butadiene Rubber) material offers excellent resistance to petroleum products, oils, and fuels
• 8.75 inches inside diameter and 8.938 inches outside diameter with 0.0937-inch round cross-section
• 70 Shore A hardness rating provides a firm, reliable seal under compression
• Operating temperature range: -40 degrees F to 250 degrees F
• Good tear and abrasion resistance for extended service life in fluid-handling systems
• Meets SAE and MIL-Spec standards for dimensional and material compliance

Compatibility

Compatible with petroleum products, oils, fuels, and water in standard sealing applications. Not recommended for use with ozone, strong oxidizing agents, or systems that generate direct ozone exposure. Not FDA approved. Designed as a Dash 174 O-ring for use wherever AS568 Dash 174 cross-section dimensions are required.

Installation Notes

Installation is typically performed by licensed plumbers, HVAC technicians, or hydraulic system technicians during pump, valve, or fitting service. Shut down and depressurize the system fully before removing or installing O-rings. Lubricate the O-ring with a compatible fluid or grease to ease installation and reduce the risk of tearing during assembly. Do not store Buna-N O-rings in direct sunlight or near motors and other electrical equipment that may produce ozone, as ozone exposure degrades nitrile rubber.