S-98017A624 0.174" ID x 0.375" OD NAS1149-CN816R; AN960-C8L Mil. Spec. Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to passivated 18-8 stainless steel construction, ideal for harsh environments and long-term reliability
• Precise dimensional fit with 0.174" ID and 0.375" OD, ensuring secure seating and optimal load distribution for No. 8 screws
• Enhanced mechanical durability with Rockwell C25 hardness, providing excellent resistance to wear and deformation under load
• Guaranteed compliance and traceability meeting NAS1149-CN816R and AN960-C8L standards for aerospace and industrial applications
• Environmental regulation adherence with full RoHS 3 and REACH compliance, ensuring safe use in global markets
• Consistent thickness control between 0.014" and 0.018", enabling uniform clamping force and reduced assembly variability
• Broad industrial compatibility designed for use in demanding sectors including aviation, heavy machinery, and marine equipment

Professional Applications & Engineering Value

These passivated 18-8 stainless steel flat washers deliver critical performance in environments where corrosion, vibration, and mechanical stress are constant challenges. The precise inch dimensions (0.174" ID x 0.375" OD) and controlled thickness ensure perfect alignment and load distribution for No. 8 screw sizes, preventing loosening and surface damage. Engineered to NAS1149-CN816R and AN960-C8L specifications, they provide reliable performance in aerospace frames, industrial machinery, and electrical enclosures. The passivation surface treatment enhances the innate corrosion resistance of 18-8 stainless steel, making these washers suitable for outdoor, chemical, and marine applications where moisture and contaminants are present. Their Rockwell C25 hardness ensures they maintain form under high bolt tension, reducing maintenance cycles and improving assembly integrity.

Specification Summary & Compliance

This flat washer meets precise dimensional tolerances with an inner diameter of 0.174", outer diameter of 0.375", and thickness ranging from 0.014" to 0.018". It is manufactured from passivated 18-8 stainless steel with a hardness of Rockwell C25. The product conforms to NAS1149-CN816R and AN960-C8L standards, ensuring adherence to recognized aerospace and industrial specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted substances and supporting use in regulated global markets.