S-98019A237 0.109" ID x 0.219" OD MS51496-P64 Mil. Spec. Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance through passivated 18-8 stainless steel construction, ideal for harsh industrial environments
• Exceptional durability with Rockwell C20 hardness rating, maintaining structural integrity under heavy loads
• Precision dimensional accuracy ensures perfect fit for No. 3 screw applications, reducing installation time
• Reliable load distribution with optimized 0.219" OD and 0.022-0.028" thickness for even pressure dispersion
• Full regulatory compliance with MS51496-P64 specifications, guaranteeing military-grade quality standards
• Environmentally responsible manufacturing through RoHS 3 and REACH compliance, meeting global safety requirements
• Consistent performance across temperature variations and chemical exposures due to stainless steel composition

Professional Applications & Engineering Value

This passivated 18-8 stainless steel flat washer delivers critical engineering solutions for industrial applications where corrosion resistance and dimensional precision are paramount. The MS51496-P64 compliant design ensures reliable performance in demanding environments including aerospace assemblies, marine equipment, and chemical processing machinery. The precision flat washer configuration with 0.109" ID provides optimal fit for No. 3 screw size applications, preventing loosening under vibration while distributing load evenly across fastened surfaces. The passivation treatment significantly enhances the natural corrosion resistance of 18-8 stainless steel, making these industrial washers ideal for outdoor applications, high-humidity environments, and chemical exposure scenarios where ordinary fasteners would degrade prematurely.

Specification Summary & Compliance

This precision flat washer maintains exact dimensional specifications with 0.109" inner diameter, 0.219" outer diameter, and controlled thickness between 0.022-0.028". Manufactured to MS51496-P64 military standard specifications, these inch washers ensure consistent performance in critical applications. The component is fully compliant with RoHS 3 (2015/863/EU) regulations and meets REACH (EC 1907/2006) requirements regarding substance restrictions, verified as of June 14, 2023, covering 235 Substances of Very High Concern (SVHC). The 18-8 stainless steel material with passivation treatment provides enhanced surface protection while maintaining the mechanical properties required for industrial fastener applications.