S-93785A190 0.594" ID x 1.469" OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional high-temperature performance with a wide operating range from -50°F to 500°F, ensuring reliable service in extreme thermal environments without degradation.
• Superior chemical resistance thanks to the PEEK plastic material, providing long-lasting protection against corrosive substances in harsh industrial settings.
• Excellent electrical insulation properties that prevent current leakage and enhance safety in electrical assemblies and sensitive equipment.
• High durability and wear resistance with a Rockwell M103 hardness rating, reducing the need for frequent replacements and maintenance.
• Precise dimensional fit with a 0.594" ID and 1.469" OD designed for 9/16" screws, ensuring secure fastening and vibration resistance in inch-system applications.
• Compliance with environmental standards including RoHS 3 and REACH, making it suitable for global markets and eco-conscious industries.
• Lightweight and non-corrosive beige PEEK construction, ideal for applications where metal washers could cause galvanic corrosion or add unnecessary weight.

Professional Applications & Engineering Value

This PEEK plastic flat washer is engineered to address critical challenges in demanding industrial environments, such as chemical processing, aerospace, and automotive sectors. Its high-temperature resistance up to 500°F ensures stable performance in applications like engine compartments or thermal equipment, where metal washers may fail due to thermal expansion or corrosion. The beige PEEK material offers inherent chemical resistance, protecting against aggressive fluids and solvents, while its electrical insulation properties make it ideal for electronic enclosures and power systems. With a precise 0.594" ID and 1.469" OD for 9/16" screws, it provides a secure fit that minimizes loosening under vibration, enhancing assembly integrity and reducing downtime in inch-system machinery and equipment.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.594", outer diameter of 1.469", and thickness ranging from 0.074" to 0.121", designed for use with 9/16" screws in inch-system applications. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for industrial use. The material, PEEK plastic with a Rockwell M103 hardness, provides consistent performance across a temperature range of -50°F to 500°F, meeting rigorous standards for durability and environmental safety.