S-92150A212 0.079" ID x 0.162" OD MS51859-12 Mil. Spec. Plastic Washers

Key Features & Benefits at a Glance

• Excellent Electrical Insulation – Made from durable nylon plastic, providing reliable non-conductive properties to prevent electrical shorts in sensitive assemblies.
• Corrosion & Chemical Resistance – Nylon material inherently resists moisture, oils, and many chemicals, ensuring long-term performance in harsh environments.
• Lightweight & Low-Friction Surface – Reduces wear on mating surfaces and minimizes assembly torque, extending the life of your No. 1 screw fastenings.
• Wide Temperature Tolerance – Rated for continuous use up to 180°F, maintaining dimensional stability in varied operating conditions.
• Precision Fit for No. 1 Screws – With an ID of 0.079" and OD of 0.162", this washer ensures accurate alignment and even load distribution.
• Consistent Quality & Traceability – Manufactured to meet MS51859-12 specifications, guaranteeing uniform thickness (0.016-0.024") and reliable performance.
• Environmental & Regulatory Compliance – REACH compliant, supporting your commitment to safe and sustainable manufacturing practices.

Professional Applications & Engineering Value

This nylon flat washer is engineered to address common challenges in electrical, electronic, and lightweight assembly applications. Its non-conductive properties make it ideal for insulating No. 1 screws in PCBs, control panels, and communication devices, preventing galvanic corrosion and electrical leakage. The white nylon plastic construction offers excellent resistance to abrasion and many solvents, reducing maintenance in industrial settings. With a precise flat washer profile and consistent dimensions per MS51859-12, it ensures reliable seating and load distribution, minimizing stress concentrations. The ability to perform in temperatures up to 180°F makes it suitable for automotive interiors, appliance manufacturing, and other environments where thermal stability is critical.

Specification Summary & Compliance

This flat washer conforms to MS51859-12 specifications, with an inner diameter of 0.079", outer diameter of 0.162", and thickness ranging from 0.016" to 0.024". It is designed for use with No. 1 screw sizes in inch measurement systems. The washer is REACH (EC 1907/2006) compliant as of 06/14/2023, covering 235 SVHC, and is rated for a maximum service temperature of 180°F.