S-96596A131 1.5" ID x 2.75" OD SAE Washers
SAE Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance from high-quality aluminum material, ensuring long-term reliability in harsh environments
- Excellent electrical conductivity for applications requiring grounding or electrical current flow
- Lightweight design reduces overall assembly weight without compromising durability
- Precision SAE standard dimensions (1.5" ID, 2.75" OD) guarantee consistent fit and performance
- Optimized thickness range (0.136-0.213") provides ideal load distribution for 1 3/8" screw sizes
- Environmental compliance with RoHS 3 and REACH regulations for safe, sustainable usage
- Broad industrial compatibility across automotive, aerospace, and general manufacturing applications
Professional Applications & Engineering Value
This aluminum flat washer delivers critical engineering advantages where corrosion resistance and weight reduction are paramount. The SAE standard design ensures precise dimensional consistency for reliable sealing and load distribution in assemblies using 1 3/8" fasteners. Its aluminum construction provides natural electrical conductivity, making it ideal for grounding applications in electrical enclosures and automotive systems. The combination of lightweight properties and durable performance solves common challenges in aerospace and transportation industries where component weight directly impacts fuel efficiency and operational costs. The washer's flat design maintains uniform surface pressure while preventing fastener loosening under vibration.
Specification Summary & Compliance
Manufactured to SAE standards with inch system measurements: 1.5" inner diameter, 2.75" outer diameter, and thickness ranging 0.136-0.213" for use with 1 3/8" screw sizes. This aluminum flat washer maintains dimensional precision for reliable assembly performance. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and regulatory acceptance for global industrial applications.
