Value Collection 0284437 Buna-n Round Cord Stock 7/16 in 100 Ft

Product Description

The VALUE COLLECTION 0284437 is a Buna-N (nitrile rubber) round cord stock supplied in a 100-foot standard coil. Buna-N is a synthetic elastomer widely used in fluid-handling and sealing applications because of its strong resistance to petroleum-based oils, fuels, and hydraulic fluids. With a diameter of 7/16 inch (0.4370 inches decimal), this cord stock is sized for fabricating custom O-rings, gaskets, and face seals on the job. Plumbers, HVAC technicians, and industrial maintenance professionals cut and splice this material to length for static and low-motion sealing tasks where a molded part is not available.

This round cord stock is used in residential and commercial plumbing, HVAC equipment, and general industrial maintenance wherever a field-fabricated seal is needed. Common applications include pump housings, valve bodies, pipe flanges, and manifold covers that see petroleum-based fluids or water. The 100-foot coil length provides enough material for multiple seal fabrications from a single stock unit, reducing the need for frequent reorder on active service trucks or in shop environments.

Key Features

• Buna-N (nitrile) compound offers strong resistance to petroleum oils, fuels, and hydraulic fluids
• 7/16 inch (0.4370 inches) diameter for consistent cross-section in custom seal fabrication
• 100-foot coil length supports multiple field or shop fabrications per unit
• Round cross-section seats cleanly in standard O-ring grooves and face-seal channels
• Inch measurement system for direct compatibility with standard U.S. groove specifications

Compatibility

Designed as a field-fabrication cord stock for static and low-motion sealing applications in plumbing, HVAC, and general industrial equipment that use 7/16-inch-diameter round-profile seals in petroleum-oil or water service.

Installation Notes

Cut cord stock to the required circumference length using a sharp blade and a clean, square cut to ensure a tight splice joint. A cord cement or vulcanizing adhesive appropriate for nitrile rubber is typically used to join the cut ends when forming a closed-loop seal. Depressurize and drain the system and isolate all fluid sources before replacing any seal. Verify that the groove dimensions match the 0.4370-inch cord diameter before installation to maintain proper compression and sealing performance.