S-97416A139 0.656" ID x 1.312" OD ASME B18.21.1 SAE Washers

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-oxide steel finish, extending service life in humid or demanding industrial environments
• Precise dimensional fit with 0.656" ID and 1.312" OD, ensuring reliable seating and load distribution for 5/8" fasteners
• Standardized compliance with ASME B18.21.1, guaranteeing interchangeability and consistent performance in mechanical assemblies
• Robust material strength from steel construction, providing durable support under static and dynamic loads
• Environmental regulation adherence with RoHS 3 and REACH compliance, ensuring safe use in regulated industries
• Versatile thickness range (0.074-0.121") accommodates slight variations in assembly tolerances without compromising function

Professional Applications & Engineering Value

These SAE flat washers deliver critical engineering solutions by preventing fastener loosening, distributing clamp load evenly, and protecting surfaces from galling. The black-oxide steel construction offers superior corrosion resistance without altering dimensions, making them ideal for automotive, machinery, and structural applications where moisture or chemicals are present. Manufactured to ASME B18.21.1 standards, they ensure precise fit with 5/8" screws, reducing installation errors and maintenance needs. Their compliance with RoHS and REACH supports use in environmentally conscious industries, providing reliable performance in industrial washers applications while meeting global regulatory requirements.

Specification Summary & Compliance

This flat washer meets ASME B18.21.1 specifications with an inner diameter of 0.656", outer diameter of 1.312", and thickness range of 0.074-0.121" for use with 5/8" screw sizes in inch measurement systems. It conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards, ensuring adherence to environmental and safety regulations for industrial components.