S-96659A146 1.5" ID x 2.75" OD SAE Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel with black-oxide coating, ideal for harsh industrial environments
• Excellent load distribution with 2.75" OD and 1.5" ID, reducing surface pressure and preventing material damage
• Precise dimensional compatibility for 1 3/8" screw sizes, ensuring secure fit and reliable assembly performance
• Durable construction with thickness ranging 0.136-0.213", providing consistent performance under heavy-duty applications
• SAE standard compliance guaranteeing interchangeability and reliability across inch-system equipment
• Environmental regulation compliance with RoHS 3 and REACH, meeting global manufacturing standards
• Long-term cost efficiency through stainless steel's inherent durability and corrosion resistance

Professional Applications & Engineering Value

These SAE flat washers deliver exceptional engineering value in demanding applications where corrosion resistance and load distribution are critical. The black-oxide 18-8 stainless steel construction provides superior protection against rust and chemical exposure, making them ideal for outdoor equipment, marine applications, and industrial machinery exposed to moisture or corrosive elements. The precise 1.5" ID x 2.75" OD dimensions ensure optimal surface contact for 1 3/8" screw assemblies, preventing joint loosening and material deformation under vibration or thermal cycling. Engineers specify these heavy-duty flat washers for their consistent thickness tolerance (0.136-0.213") and reliable performance in structural applications, automotive assemblies, and manufacturing equipment where fastener integrity cannot be compromised.

Specification Summary & Compliance

This SAE flat washer features inch system dimensions with 1.5" internal diameter and 2.75" outer diameter, manufactured from 18-8 stainless steel with black-oxide surface treatment. The washer complies with SAE standards for dimensional accuracy and is specifically designed for use with 1 3/8" screws. Product conformity includes RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance with the latest SVHC list update, ensuring environmental responsibility and global market acceptance for industrial fastener applications.