S-91083A037 0.938" ID x 1.75" OD ASME B18.21.1 SAE Washers

Key Features & Benefits at a Glance

• Enhanced Load Distribution - The large 1.75" outer diameter effectively spreads clamping force, protecting sensitive surfaces and preventing material damage in heavy-duty assemblies.
• Precision Fit for 7/8" Fasteners - 0.938" inner diameter ensures accurate alignment with standard 7/8" screws, reducing installation time and improving joint integrity.
• Robust Steel Construction - Manufactured from durable steel for reliable performance in demanding mechanical and industrial environments.
• Standardized Dimensions - Compliant with ASME B18.21.1 specifications, guaranteeing interchangeability and consistent performance across applications.
• Environmental Compliance - Meets RoHS 3 and REACH standards, making them suitable for regulated industries and global supply chains.
• Versatile Thickness Range - 0.108-0.160" thickness provides flexibility for various gasketing and spacing requirements in assembly operations.
• Cost-Effective Reliability - Delivers long service life with minimal maintenance needs, reducing total cost of ownership for industrial equipment.

Professional Applications & Engineering Value

These SAE flat washers provide critical engineering solutions where load distribution and surface protection are paramount. The steel construction offers excellent strength-to-weight ratio, making them ideal for industrial machinery, heavy equipment assemblies, and structural applications. The ASME B18.21.1 compliance ensures dimensional accuracy and performance reliability, while the precise 7/8" inner diameter prevents misalignment issues common in high-vibration environments. These inch system washers effectively solve common engineering challenges including bolt head embedment, surface marring, and uneven stress distribution across joined components.

Specification Summary & Compliance

This SAE flat washer features precise dimensions with 0.938" ID, 1.75" OD, and thickness ranging 0.108-0.160". Manufactured to ASME B18.21.1 standards for dimensional accuracy and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, containing no substances of very high concern above threshold limits. Designed specifically for use with 7/8" screw sizes in inch-based assembly systems.