S-90437A130 0.172" ID x 0.354" OD Adhesive-Back Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial and marine environments
• Enhanced load distribution from the SAE-standard flat design, preventing surface damage and loosening under vibration
• Precise fit for No. 8 screws with a 0.172" ID and 0.354" OD, ensuring secure fastening and alignment
• Reliable performance in high-temperature applications, rated for continuous use up to 200°F
• Exceptional mechanical strength with a Rockwell B70 hardness, providing excellent durability and wear resistance
• Safe for regulated industries, fully compliant with RoHS 3 and REACH environmental standards
• Versatile adhesive compatibility with a 0.039" acrylic layer option for added sealing or locking functionality

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 316 stainless steel flat washers solve critical challenges in corrosive or high-stress environments. The SAE standard design and precise inch system dimensions (0.172" ID, 0.354" OD) ensure perfect compatibility with No. 8 screws, eliminating misalignment and distributing clamp load effectively to prevent joint failure. With a Rockwell B70 hardness and a maximum temperature rating of 200°F, they maintain integrity under mechanical stress and thermal cycling, making them ideal for machinery, electrical enclosures, and chemical processing equipment where corrosion resistance and long-term reliability are paramount.

Specification Summary & Compliance

This washer meets SAE standards for dimensional accuracy in the inch system, with an ID of 0.172", OD of 0.354", and thickness of 0.031". It is manufactured from 316 stainless steel and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety requirements for industrial components.