S-90436A130 0.124" ID x 0.302" OD Magnetic Washers

Key Features & Benefits at a Glance

• Exceptional holding power with a maximum pull of 1.1 lbs, providing reliable magnetic fixation in assemblies.
• Superior magnetic strength from the N50 rare earth neodymium grade, ensuring a strong, consistent magnetic field for demanding applications.
• Enhanced corrosion resistance with a durable nickel plating, protecting the magnet from degradation in various industrial environments.
• Precise dimensional fit with a 0.124" ID and 0.302" OD, designed to securely fit No. 4 screw sizes for accurate and stable mounting.
• Optimized magnetic orientation featuring through-thickness magnetization, ideal for applications requiring a focused magnetic field through the washer's axis.
• Compliance with global standards, being RoHS 3 and REACH compliant, ensuring safety and environmental responsibility for international supply chains.
• Stable performance in moderate temperatures, with a maximum operating temperature of 140°F, suitable for many electronic and mechanical setups.

Professional Applications & Engineering Value

This N50 neodymium magnetic washer is engineered to solve common industrial challenges such as component slippage and misalignment in compact assemblies. Its rare earth magnet core, combined with through-thickness magnetization, delivers a concentrated magnetic force ideal for securing sensors, small fixtures, and electronic modules. The nickel plated finish enhances durability against moisture and wear, extending service life in environments like automation systems and consumer electronics. With a precise 0.302" OD and 0.124" ID, it ensures a snug fit for No. 4 screw sizes, reducing installation errors and improving overall assembly efficiency in high-precision industries.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.124", outer diameter of 0.302", and thickness ranging from 0.030" to 0.040", designed for use with No. 4 screws. It adheres to standard inch measurement systems and includes a single set of poles with through-thickness magnetization. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety requirements for industrial components.