M & M Fasteners | AN960C516 | 5/16" 18-8 Stainless Flat Washer
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This 5/16" flat washer is manufactured from 18-8 stainless steel and designed for use with compatible screws, bolts, and studs. The washer provides a smooth bearing surface beneath a fastener while helping distribute clamping force across the mounting surface.
The AN960C516 has an actual 0.328" ID, 0.562" OD, and 0.063" nominal thickness and is manufactured to the AN960 dimensional standard.
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Key Features
• 5/16" nominal flat washer
• 18-8 stainless steel construction
• 0.328" inside diameter
• 0.562" outside diameter
• Approximately 0.063" thick
• AN960-series flat washer
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Product Overview
The AN960C516 Flat Washer provides a smooth bearing surface between a compatible fastener and the material being secured. Its 18-8 stainless steel construction provides corrosion resistance, while the flat profile helps distribute fastener load over a larger surface area.
The AN960C516 is sized for 5/16" bolts and screws and has verified dimensions of 0.328" ID x 0.562" OD x approximately 0.063" thick. The AN960C516 designation is also associated with superseding NAS specification NAS1149C0563R.