S-91434A345 0.141" ID x 0.281" OD SAE Washers

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-coated steel construction, extending service life in demanding environments
• Optimal load distribution across surfaces, reducing stress concentrations and preventing material damage
• Precise dimensional fit for No. 5 screws with 0.141" ID, ensuring secure fastening and vibration resistance
• Durable steel material provides reliable performance under mechanical loads without deformation
• Wide thickness tolerance (0.020-0.040") accommodates manufacturing variations while maintaining functionality
• Environmental compliance with RoHS 3 and REACH standards, meeting global regulatory requirements
• SAE standard compatibility ensures interchangeability and reliable performance in inch-based assemblies

Professional Applications & Engineering Value

This SAE flat washer delivers critical engineering value through its black corrosion-resistant coated steel construction, specifically designed to address common industrial challenges. The protective coating significantly reduces oxidation and chemical degradation in humid or corrosive environments, while the precise 0.141" ID and 0.281" OD dimensions ensure perfect alignment with No. 5 screw applications. Engineers benefit from the washer's ability to distribute clamping forces evenly across joint surfaces, preventing surface damage to soft materials and maintaining bolt preload in vibrating machinery. The combination of SAE standards and inch measurements makes these flat washers ideal for automotive assemblies, electrical enclosures, and industrial equipment where reliable fastening and environmental resistance are paramount.

Specification Summary & Compliance

This washer features SAE standard dimensions with inner diameter of 0.141", outer diameter of 0.281", and thickness range of 0.020-0.040" designed specifically for No. 5 screw applications. Manufactured from black corrosion-resistant coated steel, the product maintains dimensional accuracy per SAE specifications. The washer is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors without hazardous substance restrictions.