S-98689A242 1.9 mm ID x 4 mm OD General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 stainless steel construction, ideal for humid or chemically aggressive environments
• Precise dimensional fit with 1.9mm ID and 4mm OD, ensuring optimal alignment and load distribution for M1.7 screws
• Ultra-thin profile (0.2-0.4mm thickness) enables use in space-constrained assemblies without compromising performance
• Enhanced assembly reliability through consistent flat surface contact, preventing fastener loosening and surface damage
• Full regulatory compliance with RoHS 3 and REACH standards, ensuring safe use in global industrial markets
• Durable material properties providing excellent mechanical strength and long-term performance in demanding applications

Professional Applications & Engineering Value

These precision M1.7 metric flat washers deliver critical engineering value in applications where space optimization and corrosion resistance are paramount. Manufactured from 18-8 stainless steel, they effectively prevent galvanic corrosion while maintaining structural integrity in electronic enclosures, medical devices, and precision instruments. The ultra-thin design (0.2-0.4mm) solves clearance issues in compact assemblies, while the precise inner diameter (1.9mm) ensures perfect alignment with M1.7 screws, eliminating installation errors. These corrosion-resistant washers are particularly valuable in industries requiring regulatory compliance, such as aerospace components, laboratory equipment, and automotive electronics where environmental regulations and material reliability are critical concerns.

Specification Summary & Compliance

This metric flat washer features precise dimensions of 1.9mm inner diameter and 4mm outer diameter with thickness ranging 0.2-0.4mm, designed specifically for M1.7 screw applications. Manufactured from 18-8 stainless steel, the washers comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring they meet the latest environmental and safety standards for industrial components. The product maintains consistent dimensional accuracy suitable for precision assembly requirements across various technical applications.