S-95611A276 0.5" ID x 1.25" OD Plastic Washers

Key Features & Benefits at a Glance

• Superior chemical resistance for reliable performance in corrosive environments without degradation
• Excellent electrical insulation properties to prevent current leakage and enhance safety in electrical assemblies
• Consistent dimensional stability with precise 0.5" ID and 1.25" OD ensuring perfect fit for 7/16" fasteners
• Durable PVC construction with 65D durometer hardness providing long-lasting wear resistance and load distribution
• Thermal resilience maintaining integrity in applications with temperatures up to 140°F
• Regulatory compliance meeting RoHS 3 and REACH standards for safe use in regulated industries
• Non-conductive and non-corrosive properties ideal for preventing galvanic corrosion in mixed-material assemblies

Professional Applications & Engineering Value

This PVC plastic flat washer delivers critical engineering solutions where metal washers fail. Its gray PVC material provides inherent chemical resistance against acids, alkalis, and solvents, making it indispensable in chemical processing, water treatment, and laboratory equipment. The electrical insulation properties prevent short circuits in electrical enclosures, control panels, and telecommunications infrastructure. With a 0.5" inner diameter precisely matching 7/16" screw sizes, it ensures vibration-resistant fastening while the 1.25" outer diameter distributes load effectively across softer materials. The 65D durometer hardness balances flexibility with durability, preventing surface damage to sensitive components while maintaining sealing integrity in plumbing, HVAC, and food processing applications where non-metallic, corrosion-proof fastening is essential.

Specification Summary & Compliance

This flat washer features inch system dimensions with 0.5" ID, 1.25" OD, and thickness ranging 0.084-0.102". Manufactured from PVC plastic with 65D durometer hardness, it's engineered for 7/16" screw size applications. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring restriction of hazardous substances. Temperature tolerance is rated to 140°F, making it suitable for various industrial environments requiring chemical resistance and electrical insulation properties.