S-91083A007 0.156" ID x 0.375" OD ASME B18.21.1 SAE Washers

Key Features & Benefits at a Glance

• Enhanced Load Distribution - The precise 0.375" outer diameter effectively spreads pressure, protecting surfaces and preventing fastener embedment in your assemblies.
• Reliable Fit for No. 6 Screws - With a 0.156" inner diameter, this washer ensures perfect alignment and secure fastening, reducing installation errors.
• Consistent Performance Thickness - Controlled 0.036-0.065" thickness provides uniform compression and vibration resistance across production batches.
• Industrial-Grade Steel Construction - Made from durable steel, these washers offer excellent strength and longevity in demanding mechanical environments.
• Standardized SAE Compliance - Manufactured to SAE standards, ensuring interchangeability and reliability in automotive and machinery applications.
• Rigorous Quality Certification - ASME B18.21.1 certification guarantees dimensional accuracy and mechanical consistency for critical assemblies.
• Environmental Regulation Compliance - Meets RoHS 3 and REACH requirements, making them suitable for global supply chains and sensitive applications.

Professional Applications & Engineering Value

These SAE flat washers provide essential engineering solutions where load distribution and surface protection are critical. The steel construction ensures they withstand substantial mechanical stress in industrial applications including automotive assemblies, machinery manufacturing, and electrical enclosures. Their precise 0.156" ID perfectly accommodates No. 6 screws, eliminating play and maintaining fastener alignment during vibration or thermal cycling. The controlled thickness tolerance (0.036-0.065") ensures consistent clamping force in multi-fastener applications, preventing joint relaxation. These ASME B18.21.1 certified washers deliver predictable performance in high-volume production environments where component reliability directly impacts operational safety and maintenance intervals.

Specification Summary & Compliance

This flat washer features dimensional specifications of 0.156" inner diameter, 0.375" outer diameter, and thickness ranging 0.036-0.065" for use with No. 6 screw sizes. Manufactured in compliance with ASME B18.21.1 standard for dimensional accuracy and mechanical properties. The product meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) compliance regarding chemical substance registration and authorization.