S-90231A118 0.25" ID x 0.562" OD SAE Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from brass material, ideal for humid or chemically aggressive environments
• Precise dimensional fit with 0.25" ID and 0.562" OD, ensuring reliable seating for No. 12 screws
• Consistent load distribution due to flat washer design, protecting surfaces from damage and loosening
• SAE standard compliance guarantees interchangeability and reliable performance in inch-based assemblies
• Durable construction with thickness ranging 0.051-0.080", providing structural integrity under pressure
• REACH regulatory compliance ensures safe use and environmental responsibility in industrial applications
• Non-magnetic and non-sparking properties of brass enhance safety in electrical or explosive atmospheres

Professional Applications & Engineering Value

This brass SAE flat washer delivers critical engineering value by solving common industrial challenges. Its corrosion-resistant brass composition prevents rust and degradation in demanding settings like marine, plumbing, and electrical systems, where moisture or chemicals are present. The SAE standard design and precise 0.25" ID ensure a secure fit with No. 12 screws, reducing vibration-induced loosening and maintaining assembly integrity. The flat profile evenly distributes clamping force, preventing surface damage to soft materials and extending component life. Ideal for OEM and MRO applications, these inch washers offer reliable performance in machinery, automotive, and HVAC systems, backed by REACH compliance for regulatory peace of mind.

Specification Summary & Compliance

This washer features an inner diameter of 0.25", outer diameter of 0.562", and thickness range of 0.051-0.080", designed for No. 12 screw sizes per SAE standards. Manufactured from brass, it complies with REACH (EC 1907/2006) regulations as of 06/14/2023, ensuring adherence to environmental and safety requirements. The flat washer designation confirms its role in providing consistent load bearing and surface protection in industrial fastening applications.