Value Collection ZMSCH70033 O-ring Nitrile Dash 033

Product Description

The VALUE COLLECTION ZMSCH70033 is a Dash 033 Buna-N (Nitrile Butadiene Rubber) O-ring with a round cross section, sized at 2 inches inside diameter and 2.125 inches outside diameter with a wall thickness of 0.0625 inches. Rated at 70 Shore A hardness, this O-ring is built to handle petroleum-based fluids and is a go-to sealing solution across HVAC, plumbing, hydraulic, and general mechanical applications. Plumbers, HVAC technicians, and industrial maintenance professionals install these as static or dynamic seals in fittings, valves, pumps, and fluid couplings.

This O-ring is suited for use in systems handling petroleum products, oils, fuels, and hydraulic fluids. It performs reliably in residential and commercial service environments. The Dash 033 sizing follows standard AS568 designation, making it a straightforward replacement in any application calling out that dash number. It is rated for a working temperature range of -40 degrees F to 250 degrees F, covering most heating, cooling, and fluid-handling service conditions encountered in the trade.

Key Features

• Buna-N (Nitrile Butadiene Rubber) construction with excellent resistance to petroleum products, oils, and hydraulic fluids
• Round cross-section profile, 0.0625 inches thick, for consistent sealing compression
• 70 Shore A hardness rating provides good tear and abrasion resistance
• Working temperature range: -40 degrees F to 250 degrees F
• Meets SAE and MIL-Spec standards
• Package quantity of 100 units; minimum order quantity of 1

Compatibility

Designed as a standard Dash 033 O-ring replacement compatible with petroleum-based fluid systems including hydraulic lines, valves, pumps, and threaded fittings that specify Buna-N or NBR sealing material. Compatible with petroleum products per material specification.

Installation Notes

Installation is typically performed by licensed plumbers, HVAC technicians, or mechanical maintenance technicians during valve, pump, or fitting service. Always depressurize and drain the system before removing or replacing any sealing component. Inspect the seating groove for nicks, corrosion, or debris before installing the new O-ring, and apply a thin film of compatible lubricant to aid seating. Do not store Buna-N O-rings in direct sunlight or near motors and electrical equipment that may generate ozone, as this will degrade the elastomer.