Arlington Industries RW37 Red Washer 4 X 0.5 Inches

Product Description

The ARLINGTON INDUSTRIES RW37 is a red washer designed for use in electrical and general hardware applications. Measuring 4 inches in outer diameter with a 0.5-inch inner diameter, this washer provides a secure seating surface for fasteners in a range of panel, box, and conduit installations. The red color coding makes it easy to identify during installation and inspection. It is sold as a single unit and is a standard component in electrical hardware assemblies handled by licensed electricians and maintenance professionals.

The RW37 is suited for residential and light commercial electrical work where a color-coded or oversized washer is needed to distribute load, protect surfaces, or provide a visual indicator at a fastener point. It fits into hardware accessory applications across panel work, junction box mounting, and conduit fitting assemblies. Its straightforward design makes it a reliable stock item for service vans and supply rooms alike.

Key Features

• 4-inch outer diameter provides broad load distribution across mounting surfaces
• 0.5-inch inner diameter fits standard fastener sizes common in electrical hardware
• Red color coding aids identification and inspection during installation
• Sold individually for precise quantity control on the job

Compatibility

Designed as an OEM-style hardware accessory washer for use in electrical panel, junction box, and conduit fitting applications where a 4-inch red washer is specified.

Installation Notes

Installation is performed by licensed electricians or qualified maintenance personnel. De-energize all circuits and follow applicable NEC guidelines before working on any panel or box assembly. Use hand tools only when seating the washer to avoid deforming the material. Inspect the washer for cracks or deformation before installation.