Value Collection ZMSCH70FDA233 O-ring Dash 233 Nbr 10-pack

Product Description

The VALUE COLLECTION ZMSCH70FDA233 is a Dash 233 O-ring manufactured from Buna-N (Nitrile Butadiene Rubber), one of the most widely used elastomers in fluid sealing applications. It measures 2.859 inches inside diameter, 3.125 inches outside diameter, and 0.125 inches in cross-section thickness with a round cross-section profile. Rated at Shore A hardness of 70, this O-ring carries FDA approval and meets SAE and MIL-Spec standards. It is sold in packages of 10 and is appropriate for use by plumbers, pipefitters, HVAC technicians, and maintenance professionals working with petroleum-based fluid systems.

This O-ring is suited for static and dynamic sealing applications in residential and commercial systems where contact with petroleum products, hydraulic fluids, or oils is expected. The FDA-approved white Buna-N compound makes it appropriate for use in food-grade or sanitary process environments as well as standard mechanical assemblies. It performs across a wide service temperature range of -40 degrees F to 250 degrees F, covering most common HVAC, plumbing, and light industrial operating conditions.

Key Features

• FDA-approved white Buna-N compound suitable for food-grade and sanitary applications
• Meets SAE and MIL-Spec standards for dimensional and material consistency
• Shore A hardness of 70 provides a hard, durable seal with excellent compression set resistance
• Excellent resistance to petroleum products, hydraulic oils, and fuels
• Good tear and abrasion resistance for dynamic sealing environments
• Wide service temperature range: -40 degrees F to 250 degrees F

Compatibility

Designed as an OEM-style replacement or service O-ring for Dash 233 groove dimensions in plumbing, HVAC, and light industrial assemblies. Compatible with petroleum products and petroleum-based fluids. Not recommended for use near ozone-generating equipment or in direct sunlight during storage.

Installation Notes

Installation should be performed by a qualified plumber, pipefitter, or HVAC technician following applicable codes. Depressurize and drain the system completely before replacing any O-ring. Lubricate the O-ring with a compatible fluid or assembly lubricant before seating to prevent twisting or tearing during installation. Do not store unused O-rings near motors, electrical equipment, or in direct sunlight, as ozone and UV exposure degrade Buna-N elastomers over time.