Value Collection ZMSCH70341 O-ring Dash 341 Buna-n

Product Description

The VALUE COLLECTION ZMSCH70341 is a Dash 341 O-ring manufactured from Buna-N (nitrile butadiene rubber), one of the most widely used elastomers in fluid sealing applications. It measures 3.5 inches inside diameter, 3.875 inches outside diameter, and 0.1875 inches thick with a round cross section. Rated at 70 Shore A hardness, it delivers reliable sealing performance in systems that handle petroleum-based fluids. Licensed trades including plumbers, HVAC technicians, and industrial maintenance mechanics install this type of O-ring in hydraulic, pneumatic, and fluid-handling assemblies where a durable, compression-resistant seal is required.

This O-ring is suited for residential and commercial applications involving petroleum products, hydraulic oils, fuels, and related media. Its operating temperature range spans -40 degrees F to 250 degrees F, making it appropriate for a broad range of mechanical and fluid systems. It is commonly installed in valve bodies, pump housings, fittings, and manifold assemblies where a standard Dash 341 cross-section O-ring is specified. It is sold in packages of 25, making it practical for service shops and field technicians who replace O-rings regularly during preventive maintenance or component rebuilds.

Key Features

• Buna-N (nitrile butadiene rubber) construction offers excellent resistance to petroleum products and hydraulic fluids
• 70 Shore A hardness provides a firm, compression-resistant seal with good tear and abrasion resistance
• Round cross section conforms to standard Dash 341 O-ring groove dimensions
• Operating temperature range of -40 degrees F to 250 degrees F suits most mechanical fluid systems
• Meets SAE and MIL-Spec standards
• Package quantity of 25 supports shop stock and multi-unit service calls

Compatibility

Designed as a standard Dash 341 replacement O-ring compatible with petroleum products, hydraulic oils, and related media in systems that specify a Buna-N round-cross-section O-ring of this size. Not FDA approved; not intended for food-contact or potable-water applications without verification of local code requirements.

Installation Notes

Installation should be performed by a qualified mechanic or technician with the system depressurized and fluid isolated before removing the old O-ring. Clean the groove and mating surfaces thoroughly before seating the new O-ring to prevent extrusion or premature failure. Avoid storing Buna-N O-rings in direct sunlight or near motors and other equipment that generate ozone, as ozone degrades nitrile rubber. Lubricate the O-ring with a compatible fluid or grease during installation to ease seating and reduce the risk of tearing.