S-91525A372 2.875" ID x 5" OD General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction, ideal for chemical, marine, and outdoor applications
• Exceptional load distribution with a large 5" outer diameter, minimizing surface pressure and preventing material damage
• Precise fit for 2 3/4" screws ensured by the 2.875" inner diameter, reducing installation time and improving assembly reliability
• Robust durability from a substantial thickness range (0.228-0.310"), providing long-term performance under heavy loads
• Compliance with strict environmental regulations, including RoHS 3 and REACH, for safe use in regulated industries
• Broad industrial compatibility with inch system measurements, facilitating easy integration into existing machinery and structures
• Maintenance-free operation thanks to the inherent properties of 316 stainless steel, reducing lifecycle costs

Professional Applications & Engineering Value

This heavy-duty 316 stainless steel flat washer is engineered to address critical challenges in demanding industrial settings. Its large diameter design (5" OD) effectively distributes clamping force over a wider area, preventing bolt head embedment and joint loosening in high-vibration machinery. The 316 stainless steel material offers exceptional resistance to pitting and crevice corrosion, making it indispensable in chemical processing, marine equipment, and food industry applications where exposure to chlorides and acids is common. The precise 2.875" inner diameter ensures a secure fit for 2 3/4" screw sizes, streamlining assembly in structural frameworks, large-scale manufacturing, and heavy equipment maintenance. This washer provides reliable, long-term performance, reducing downtime and replacement frequency in corrosive or high-stress environments.

Specification Summary & Compliance

This flat washer conforms to inch system standards with an inner diameter of 2.875", outer diameter of 5", and thickness ranging from 0.228" to 0.310". It is manufactured from 316 stainless steel for optimal chemical and corrosion resistance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety requirements for industrial use.