S-95611A154 1.375" ID x 2.5" OD Plastic Washers

Key Features & Benefits at a Glance

• Superior chemical resistance for reliable performance in corrosive environments, extending equipment lifespan
• Excellent electrical insulation properties to prevent current leakage and ensure safety in electrical applications
• Precise dimensional fit with 1.375" ID specifically designed for 1 1/4" screws, ensuring secure fastening
• Durable PVC construction with Durometer 65D hardness providing consistent load distribution and vibration resistance
• Compliance with international standards including RoHS 3 and REACH for global supply chain compatibility
• Temperature stability maintaining integrity up to 140°F for various industrial operating conditions
• Corrosion-free performance unlike metal alternatives, eliminating galvanic corrosion risks

Professional Applications & Engineering Value

These PVC plastic flat washers deliver exceptional engineering value in applications where metal washers would fail. The gray PVC material provides inherent chemical resistance against acids, alkalis, and solvents, making them ideal for chemical processing equipment, water treatment facilities, and laboratory settings. Their non-conductive properties ensure safe operation in electrical assemblies and electronic enclosures, preventing short circuits. The precise 1.375" ID and 2.5" OD dimensions create optimal load distribution for 1 1/4" screws, reducing stress concentrations and preventing material deformation. Unlike metal alternatives, these washers eliminate galvanic corrosion concerns when used with dissimilar metals, significantly extending service life in harsh environments while maintaining REACH compliance for European market applications.

Specification Summary & Compliance

This flat washer features precise inch system dimensions with 1.375" inner diameter, 2.5" outer diameter, and thickness ranging from 0.112" to 0.138". Manufactured from PVC plastic with Durometer 65D hardness, it maintains dimensional stability across its operational range. The product fully complies with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations regarding SVHC substances. With a maximum temperature rating of 140°F, this washer meets industry standards for chemical-resistant applications while providing reliable performance in various industrial settings.