S-98019A333 0.219" ID x 0.5" OD MS15795-842; NASM15795; ASME B18.21.1 Mil. Spec. Washers
Mil. Spec. Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance thanks to passivated 18-8 stainless steel, ideal for harsh industrial environments
- Exceptional durability and load distribution with Rockwell B70 hardness, reducing wear and extending service life
- Precise fit for No. 10 screws with 0.219" ID and 0.5" OD, ensuring secure fastening and vibration resistance
- Compliance with major industry standards including MS15795-842, NASM15795, and ASME B18.21.1 for guaranteed reliability
- Optimized thickness range (0.036-0.065") provides consistent performance under varying pressure conditions
- Environmental and safety compliance with RoHS 3 and REACH, ensuring safe use in regulated applications
- Versatile inch system compatibility for seamless integration into existing machinery and equipment
Professional Applications & Engineering Value
This passivated 18-8 stainless steel flat washer is engineered to address critical challenges in demanding industrial settings, such as corrosion-induced failure and mechanical stress. The passivation surface treatment significantly enhances its resistance to rust and chemical exposure, making it ideal for applications in marine, chemical processing, and outdoor equipment. With a Rockwell B70 hardness and precise dimensions (0.219" ID x 0.5" OD), it ensures reliable load distribution and vibration dampening for No. 10 screw assemblies, reducing maintenance needs and downtime. Its compliance with MS15795-842, NASM15795, and ASME B18.21.1 standards guarantees consistent performance in aerospace, automotive, and heavy machinery, where precision and durability are non-negotiable.
Specification Summary & Compliance
This flat washer meets Class 2A inch thread tolerances and is manufactured in accordance with MS15795-842, NASM15795, and ASME B18.21.1 specifications. It is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant (as of 06/14/2023, 235 SVHC), ensuring adherence to environmental and safety regulations for industrial use.
