S-95647A154 5.3 mm ID x 11 mm OD Plastic Washers

Key Features & Benefits at a Glance

• Superior chemical and moisture resistance from Delrin® Acetal Plastic material, ensuring long-term performance in harsh industrial environments
• Excellent dimensional stability with precise 5.3mm ID and 11mm OD, providing perfect fit and consistent performance with M5 screws
• High mechanical strength with Rockwell M90 hardness, offering reliable load distribution and vibration resistance
• Wide temperature tolerance up to 180°F (82°C), maintaining structural integrity across various operating conditions
• Regulatory compliance assurance with RoHS 3 and REACH compliance, meeting international environmental and safety standards
• Low friction properties characteristic of acetal plastic, reducing wear on mating surfaces and extending component life
• Electrical insulation capabilities inherent in plastic construction, preventing galvanic corrosion in electrical applications

Professional Applications & Engineering Value

These M5 metric flat washers manufactured from premium Delrin® Acetal Plastic deliver exceptional engineering value across multiple industrial sectors. The white plastic construction provides excellent visibility for quality control while offering superior resistance to chemicals, solvents, and moisture - critical in automotive, food processing, and electrical enclosure applications. The precise 5.3mm internal diameter ensures perfect alignment with M5 screws, preventing installation issues and maintaining uniform clamping force. With Rockwell M90 hardness, these washers effectively distribute loads and resist embedding, solving common problems of surface damage and loosening in vibration-prone assemblies. The 180°F temperature resistance makes them suitable for applications near motors, pumps, and other heat-generating equipment where metal washers might conduct heat or corrode.

Specification Summary & Compliance

These metric flat washers feature precise dimensions with 5.3mm ID, 11mm OD, and thickness ranging 0.8-1.2mm, designed specifically for M5 screw applications. Manufactured from Delrin® Acetal Plastic with Rockwell M90 hardness, they comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental compliance for global industrial use. The washers maintain performance integrity up to 180°F maximum operating temperature, meeting rigorous industrial standards for plastic component applications.