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The VALUE COLLECTION ZMSCH70FDA030 is a Dash 030 O-ring manufactured from Buna-N nitrile butadiene rubber (NBR) with a 70-durometer hardness rating. It features a round cross-section with a 1.614-inch inside diameter, a 1.75-inch outside diameter, and a 0.0625-inch (1/16 inch) thickness. This O-ring carries FDA approval and meets SAE and MIL-Spec standards, making it suitable for food-processing, fluid-handling, and general industrial sealing applications. Licensed plumbers, pipefitters, and maintenance technicians install this part as a static or dynamic seal in a wide range of hydraulic, pneumatic, and fluid system assemblies. Each package contains 10 O-rings.
Buna-N is the most widely used O-ring elastomer in trade applications. This O-ring is well suited for use with petroleum-based fluids, hydraulic oils, fuels, and similar media. Its temperature range of -40 degrees F to 250 degrees F makes it a practical choice across residential, commercial, and light industrial systems. The FDA-approved white compound expands its suitability to food-grade and potable-water-adjacent applications where material compliance is required by inspection or code.
Compatible with petroleum products, hydraulic oils, and fuels. Designed as an OEM-style replacement or service seal for any application requiring a Dash 030 O-ring in Buna-N (NBR) material. Store away from direct sunlight, ozone sources, and electrical motors to preserve elastomer integrity.
Installation is typically performed by licensed plumbers, pipefitters, or qualified maintenance technicians. Shut off all fluid supply and depressurize the system fully before removing the existing seal. Lubricate the O-ring with a compatible fluid or approved O-ring lubricant before seating to prevent damage during installation. Do not use petroleum-based lubricants where system media is incompatible, and inspect the groove for wear or damage before installing a new seal.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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