Value Collection ZMSCH90276 O-ring 11 in Id Nbr Dash 276

Product Description

The VALUE COLLECTION ZMSCH90276 is a Dash 276 O-ring made from Nitrile Butadiene Rubber (Buna-N), the most widely used elastomer in sealing applications. It measures 11 inches inside diameter, 11.25 inches outside diameter, and 0.125 inches thick with a round cross section. The compound is rated at 90 durometer, placing it in the extra-hard hardness category. This O-ring is sold in a package of 5 and is used by plumbers, pipefitters, HVAC technicians, and industrial maintenance professionals wherever a large-diameter static or dynamic seal is required. The temperature rating spans -40 degrees F to 250 degrees F, making it suitable for a wide range of service conditions.

This O-ring is suited for use in plumbing, HVAC, hydraulic, and general industrial assemblies that require a large-bore seal resistant to petroleum-based fluids and lubricants. Its Buna-N construction delivers excellent resistance to petroleum products, good compression set characteristics, and solid tear and abrasion resistance. Typical applications include pump housings, pipe flanges, valve bodies, and equipment covers where a Dash 276 replacement or new-installation seal is called for. This part conforms to SAE and MIL-Spec standards where applicable.

Key Features

• Buna-N (Nitrile Butadiene Rubber) material with excellent petroleum product resistance
• 90 durometer extra-hard compound for applications requiring firm sealing under compression
• Operating temperature range of -40 degrees F to 250 degrees F
• Round cross section, 0.125 inches thick, conforming to Dash 276 sizing
• Meets SAE and MIL-Spec standards
• Sold as a package of 5 O-rings

Compatibility

Designed as an OEM-style replacement or new-installation seal for any application specifying a Dash 276 O-ring in Buna-N. Compatible with petroleum products. Not FDA approved; not intended for food, beverage, or pharmaceutical service.

Installation Notes

Installation should be performed by a qualified technician familiar with sealing system requirements. De-pressurize and drain the system completely before removing the old seal and installing a new one. Avoid storing Buna-N O-rings in direct sunlight or near motors or other electrical equipment that may generate ozone, as ozone degrades nitrile compounds. Lubricate the O-ring with a compatible petroleum-based or silicone-based lubricant during installation to prevent pinching or tearing.