S-98017A625 0.174" ID x 0.375" OD NAS1149-CN832R; AN960-C8 Mil. Spec. Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction for extended service life in harsh environments
• Exceptional durability backed by Rockwell B70 hardness to withstand heavy-duty industrial applications
• Precise dimensional accuracy with 0.174" ID and 0.375" OD ensuring perfect fit for No. 8 screw assemblies
• Rigorous quality assurance through compliance with NAS1149-CN832R and AN960-C8 aerospace and military specifications
• Environmental compliance meeting RoHS 3 and REACH regulations for safe, sustainable manufacturing
• Consistent performance with controlled thickness (0.028-0.036") for reliable load distribution and vibration resistance
• Broad industrial compatibility designed for inch-system applications requiring corrosion-resistant flat washers

Professional Applications & Engineering Value

This passivated 18-8 stainless steel flat washer delivers critical engineering solutions for demanding industrial environments where corrosion resistance and mechanical reliability are paramount. The precision-engineered dimensions (0.174" ID x 0.375" OD) ensure optimal fitment with No. 8 screws, preventing loosening under vibration while distributing clamp load effectively. The Rockwell B70 hardness provides exceptional wear resistance in heavy-duty assemblies, from aerospace frameworks to marine equipment. Meeting NAS1149-CN832R and AN960-C8 specifications, this washer eliminates compatibility concerns in regulated industries, while the passivated surface treatment creates an additional protective layer against chemical exposure and atmospheric corrosion, significantly extending maintenance intervals in critical applications.

Specification Summary & Compliance

This flat washer maintains precise dimensional tolerances with 0.174" inner diameter, 0.375" outer diameter, and thickness range of 0.028-0.036" for consistent performance. Manufactured to NAS1149-CN832R and AN960-C8 standards, it ensures interchangeability and reliability in aerospace and industrial applications. The component is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant (updated 06/14/2023, 235 SVHC), meeting current environmental regulations for hazardous substance restrictions.