S-98049A123 0.281" ID x 0.625" OD Oversized Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 17-4 PH stainless steel construction, ideal for harsh industrial environments
• High strength and durability with Rockwell C40 hardness, maintaining performance under heavy loads
• Precise dimensional fit with 0.281" ID specifically designed for 1/4" screw applications
• Optimal load distribution through 0.625" OD and 0.177-0.197" thickness for enhanced joint stability
• Full regulatory compliance with RoHS 3 and REACH standards, ensuring environmental safety
• Superior material properties offering excellent stress corrosion cracking resistance
• Reliable performance in demanding applications with consistent dimensional accuracy

Professional Applications & Engineering Value

Engineered for maximum reliability in demanding industrial environments, this 17-4 PH stainless steel flat washer addresses critical engineering challenges where corrosion resistance and mechanical strength are paramount. The precipitation-hardening stainless steel composition provides exceptional resistance to stress corrosion cracking, making it ideal for chemical processing equipment, marine applications, and aerospace components. With precise 0.281" ID dimensions specifically matched to 1/4" screw applications, this washer ensures perfect fitment while the generous 0.625" OD provides superior load distribution across joint surfaces. The controlled 0.177-0.197" thickness maintains consistent compression characteristics, preventing joint loosening in high-vibration environments and extending service life in heavy-duty industrial machinery and precision equipment assemblies.

Specification Summary & Compliance

This flat washer features precise inch system dimensions with 0.281" inner diameter, 0.625" outer diameter, and 0.177-0.197" thickness range specifically designed for 1/4" screw applications. Manufactured from 17-4 PH stainless steel with Rockwell C40 hardness for optimal mechanical properties. Fully compliant with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) standards, including the latest SVHC requirements as of January 17, 2023. The washer meets industrial standards for dimensional accuracy and material specifications suitable for critical engineering applications.