S-90295A450 0.26" ID x 0.688" OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with Nylon Plastic construction, eliminating rust and chemical degradation in harsh environments
• Reliable electrical insulation properties to prevent current leakage and protect sensitive electronic components
• Wide operating temperature tolerance from -40°F to 180°F, maintaining performance in extreme thermal conditions
• Precise dimensional fit with 0.26" ID specifically engineered for No. 12 screws, ensuring secure fastening and load distribution
• Superior surface protection with 0.688" OD and Rockwell R115 hardness to prevent damage to assembled materials
• Full regulatory compliance with RoHS 3 and REACH standards, meeting international environmental and safety requirements
• Consistent thickness control (0.055-0.070") for uniform pressure distribution and vibration resistance

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these Nylon Plastic Flat Washers solve critical assembly challenges where metal fasteners fail. The electrically insulating properties make them ideal for electrical enclosures, control panels, and electronic devices where current isolation is mandatory. Their corrosion-resistant nature eliminates galvanic corrosion issues when used with dissimilar metals, particularly in marine, chemical processing, and outdoor equipment. The wide temperature range (-40°F to 180°F) ensures reliable performance in automotive underhood applications, HVAC systems, and industrial machinery exposed to thermal cycling. The precise No. 12 screw compatibility and flat washer design provide optimal load distribution while preventing surface damage to delicate materials like composites and finished surfaces.

Specification Summary & Compliance

This flat washer features inch system dimensions with 0.26" inner diameter, 0.688" outer diameter, and thickness ranging 0.055-0.070". Manufactured to precise dimensional standards for consistent performance with No. 12 screws. The Nylon Plastic material provides Rockwell R115 hardness for durable service life. Product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global markets. Temperature rating certified for continuous operation from -40°F to 180°F.