S-98019A510 0.562" ID x 1.375" OD MS15795-819; 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 with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional load distribution with 1.375" OD and 0.562" ID, preventing surface damage and maintaining joint integrity
- Enhanced durability from Rockwell B70 hardness, ensuring long service life under repeated stress
- Reliable performance through compliance with MS15795-819, NASM15795, and ASME B18.21.1 standards
- Precise compatibility for 1/2" screw sizes, reducing installation errors and improving assembly efficiency
- Environmental compliance with RoHS 3 and REACH regulations, safe for various industrial applications
- Consistent thickness between 0.086-0.132", providing uniform spacing and reliable fastening
Professional Applications & Engineering Value
These passivated 18-8 stainless steel flat washers deliver critical engineering value by addressing common industrial challenges like corrosion-induced failure and joint loosening. The corrosion-resistant material, enhanced by passivation, withstands exposure to moisture, chemicals, and extreme temperatures, making them ideal for heavy-duty applications in aerospace, marine, and manufacturing sectors. With precise dimensions (0.562" ID x 1.375" OD) and Rockwell B70 hardness, they ensure optimal load distribution and prevent bolt embedment, reducing maintenance needs. Compliance with MS15795-819, NASM15795, and ASME B18.21.1 standards guarantees consistent quality and reliability, supporting efficient assembly processes for 1/2" screw systems.
Specification Summary & Compliance
This flat washer meets precise dimensional tolerances with an inner diameter of 0.562", outer diameter of 1.375", and thickness ranging from 0.086" to 0.132". It conforms to MS15795-819, NASM15795, and ASME B18.21.1 specifications, ensuring standardized performance. The washer is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible manufacturing and use.
