S-93785A811 0.594" ID x 1.469" OD ASME B18.21.1 Plastic Washers

Key Features & Benefits at a Glance

• Exceptional thermal stability with a wide operating range from -20°F to 500°F, ensuring reliable performance in extreme temperature environments
• Superior strength and rigidity due to 30% carbon filler content, providing enhanced load distribution and resistance to deformation under high stress
• Excellent chemical and wear resistance from carbon-filled PEEK material, extending service life in harsh industrial and chemical applications
• Precise dimensional compatibility with 0.594" ID and 1.469" OD, ensuring perfect fit and optimal force distribution for 9/16" screw assemblies
• High hardness rating of Rockwell M103 for improved durability and reduced risk of cracking or wearing in high-vibration settings
• Compliance with ASME B18.21.1 standards guarantees consistent quality, dimensional accuracy, and interchangeability in professional assemblies
• RoHS 3 and REACH compliant construction supports environmental regulations and safe usage across global markets

Professional Applications & Engineering Value

Engineered for demanding environments, these carbon-filled PEEK plastic flat washers deliver outstanding performance where metal washers fail. The 30% carbon filler significantly enhances mechanical strength and dimensional stability, preventing creep and maintaining clamp load in high-temperature applications up to 500°F. Ideal for industrial machinery, chemical processing equipment, and aerospace assemblies, these washers resist corrosion, chemicals, and wear while providing reliable insulation. Their ASME B18.21.1 compliance ensures precise fit for 9/16" screw fastening, reducing installation errors and improving long-term joint integrity in critical systems.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.594", outer diameter of 1.469", and thickness range of 0.074-0.121", manufactured to ASME B18.21.1 specifications for dimensional consistency. The carbon-filled PEEK plastic material with Rockwell M103 hardness and 30% filler ensures high mechanical performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, this washer meets environmental and safety standards for global industrial use.