S-91083A036 0.812" ID x 1.469" OD ASME B18.21.1 SAE Washers

Key Features & Benefits at a Glance

• Superior Load Distribution - Large 1.469" OD surface area effectively spreads pressure to prevent surface damage and component embedding
• Precision Fit for 3/4" Fasteners - 0.812" ID ensures perfect compatibility with standard 3/4" screws, reducing installation time and improving assembly accuracy
• Robust Steel Construction - High-quality steel material provides excellent durability and reliable performance in demanding industrial environments
• ASME B18.21.1 Compliance - Manufactured to exacting industry standards for consistent quality, dimensional accuracy, and reliable mechanical performance
• Optimal Thickness Range - 0.108-0.160" thickness provides ideal balance between strength and flexibility for various application requirements
• Environmental Compliance - Meets RoHS 3 and REACH regulations, ensuring safe use in regulated industries and international markets
• Inch System Standardization - SAE designation guarantees compatibility with existing inch-based equipment and replacement part inventories

Professional Applications & Engineering Value

These SAE flat washers deliver exceptional engineering value in demanding industrial applications where reliable load distribution and surface protection are critical. The steel construction provides superior strength and durability, making them ideal for heavy machinery, structural assemblies, and automotive applications. The precise 0.812" ID ensures perfect alignment with 3/4" screw sizes, eliminating play and reducing stress concentrations that can lead to fastener failure. The generous 1.469" OD creates an optimal bearing surface that prevents surface damage to softer materials and distributes clamping forces evenly. Manufactured to ASME B18.21.1 standards, these washers maintain dimensional consistency across production batches, ensuring reliable performance in critical assemblies and reducing maintenance costs through extended service life.

Specification Summary & Compliance

This SAE flat washer features precise dimensional specifications with 0.812" inner diameter, 1.469" outer diameter, and thickness ranging from 0.108" to 0.160". The product strictly conforms to ASME B18.21.1 manufacturing standards for dimensional accuracy and mechanical properties. Environmental compliance includes full adherence to RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations covering substance registration and SVHC compliance as of June 14, 2023. Designed for use with 3/4" screw sizes in inch system applications, these washers provide reliable performance in various industrial and mechanical fastening scenarios.