S-91525A325 0.328" ID x 0.625" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel composition, ideal for chemical processing and marine applications
• Enhanced load distribution with precise 0.625" OD and 0.328" ID, preventing surface damage and maintaining joint integrity under heavy-duty use
• Consistent mechanical performance ensured by Rockwell B68 hardness, providing reliable durability and resistance to deformation
• Accurate fit for 5/16" screws with inch system specifications, ensuring easy installation and secure fastening in industrial assemblies
• Stable thickness tolerance between 0.110" and 0.140", offering uniform spacing and vibration resistance in machinery
• Compliance with environmental safety standards including RoHS 3 and REACH, making them suitable for regulated industries and sustainable operations
• Long-term reliability in high-moisture and corrosive conditions, reducing maintenance costs and downtime

Professional Applications & Engineering Value

These 316 stainless steel flat washers are engineered to address critical challenges in demanding industrial settings, such as corrosion-induced failure and mechanical stress. The high molybdenum content in 316 grade provides exceptional resistance to chlorides and acidic environments, making them ideal for chemical plants, offshore equipment, and food processing machinery. With a Rockwell B68 hardness, they maintain structural integrity under repeated loads, preventing bolt loosening and surface indentation. The precise 0.328" ID and 0.625" OD ensure optimal load distribution, protecting components from wear and extending service life. This combination of material excellence and dimensional accuracy supports efficient assembly and reduces the risk of costly repairs in heavy-duty applications.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.328", outer diameter of 0.625", and thickness range of 0.110" to 0.140", designed for use with 5/16" screws in inch measurement systems. Manufactured to standard flat washer dimensions with Rockwell B68 hardness for consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial components.