S-91950A042 0.109" ID x 0.25" OD SAE Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 316 stainless steel, ideal for harsh chemical and marine environments.
• Reliable dimensional precision with a 0.109" ID and 0.25" OD, ensuring a perfect fit for No. 3 screws.
• Enhanced load distribution due to the flat SAE design, protecting surfaces and preventing fastener loosening.
• Long-term durability in demanding applications, resisting pitting and crevice corrosion.
• Compliance with strict environmental regulations, being fully RoHS 3 and REACH compliant for global supply chain use.
• Broad industrial compatibility, suitable for use with inch-system fasteners across various sectors.
• Consistent performance with a thickness range of 0.025-0.040", providing reliable spacing and vibration resistance.

Professional Applications & Engineering Value

This 316 stainless steel SAE flat washer is engineered to solve critical challenges in corrosive and high-moisture industrial settings. Its superior chemical resistance makes it an optimal choice for chemical processing, marine equipment, and food industry applications where standard washers fail. The precise inch-system dimensions, including the 0.109" ID tailored for No. 3 screws, ensure secure fastening and even load distribution, reducing stress concentrations and surface damage. By utilizing a flat washer design per SAE standards, it enhances joint integrity, prevents galvanic corrosion, and extends the service life of assemblies, delivering reliable performance in demanding engineering environments.

Specification Summary & Compliance

This washer adheres to SAE standards for flat washers in the inch system, with an inner diameter of 0.109", outer diameter of 0.25", and thickness ranging from 0.025" to 0.040". It is manufactured from 316 stainless steel for consistent quality and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use.