S-95611A031 0.438" ID x 1" OD Plastic Washers

Key Features & Benefits at a Glance

• Superior chemical resistance for reliable performance in corrosive environments and industrial fluids
• Excellent electrical insulation properties for safe applications in electrical assemblies and components
• Precise dimensional fit with 0.438" ID and 1" OD ensuring proper alignment and load distribution for 3/8" screws
• Consistent thickness control (0.053-0.071") providing uniform pressure distribution and vibration resistance
• Durometer 65D hardness offering optimal balance between flexibility and durability for long service life
• Temperature stability up to 140°F maintaining performance in various operating conditions
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial applications

Professional Applications & Engineering Value

These PVC plastic flat washers deliver exceptional engineering value in applications where metal washers would corrode or conduct electricity. The gray PVC material provides outstanding chemical resistance against acids, alkalis, and industrial solvents, making them ideal for chemical processing equipment, water treatment systems, and marine applications. Their electrical insulation properties prevent galvanic corrosion and ensure safety in electrical enclosures and control panels. The precise 3/8" screw size compatibility and consistent dimensions prevent loosening under vibration, while the Durometer 65D hardness maintains seal integrity without cracking or deforming. These washers solve critical challenges in food processing, pharmaceutical, and electronics industries where contamination and corrosion must be prevented.

Specification Summary & Compliance

Manufactured to precise inch system dimensions with 0.438" inner diameter, 1" outer diameter, and thickness ranging from 0.053" to 0.071" for consistent performance. These flat washers are engineered for 3/8" screw applications with Durometer 65D hardness rating and maximum temperature resistance of 140°F. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and global market acceptance for industrial and commercial applications.