S-92150A226 0.484" ID x 0.942" OD MS51859-9 Mil. Spec. Plastic Washers

Key Features & Benefits at a Glance

• Superior electrical insulation properties prevent current leakage and short circuits in sensitive applications
• Excellent corrosion resistance ensures long-term reliability in humid or chemically aggressive environments
• Precise dimensional fit with 0.484" ID specifically engineered for 7/16" screw applications
• Wide temperature tolerance maintains structural integrity up to 180°F for diverse operating conditions
• REACH compliance guarantees environmental safety and regulatory adherence for global supply chains
• Non-conductive nylon construction eliminates galvanic corrosion risks between dissimilar metals
• MS51859-9 specification compliance ensures military-grade quality and interchangeability

Professional Applications & Engineering Value

This nylon flat washer delivers critical engineering solutions where electrical insulation and chemical resistance are paramount. The white nylon plastic construction prevents galvanic corrosion in mixed-metal assemblies while providing reliable isolation in electrical enclosures, control panels, and marine equipment. With its 0.484" inner diameter precision-matched to 7/16" screw size, this washer eliminates installation issues and maintains consistent clamping force. The MS51859-9 specification ensures military-grade reliability for aerospace, automotive, and industrial applications where vibration resistance and dimensional stability are critical. The 180°F temperature resistance makes it suitable for engine compartments, electronic housings, and outdoor equipment exposed to thermal cycling.

Specification Summary & Compliance

This flat washer features dimensional specifications of 0.484" ID, 0.942" OD, and 0.040-0.065" thickness range, manufactured to MS51859-9 military standards for guaranteed interchangeability. The inch system measurement ensures compatibility with North American industrial specifications. Compliance includes REACH (EC 1907/2006) regulations regarding substance restrictions, with verification current as of June 14, 2023, covering 235 Substances of Very High Concern (SVHC). The nylon material maintains performance across the specified temperature range up to 180°F maximum operating temperature.