18-8 / 304 Stainless Steel AN 900 Series Flat Washers. 900 Series AN 960C Flat Washers. AN Washers Meet The Specifications For Military AIR-FORCE / NAVY AN 960C Washers are a Smaller OD Flat Washer, These are Used Mainly With Socket Head Cap Screw Bolts Where a Tight Tolerance is Required. Our AN960C Flat Washers are Made Out of 18-8 / 304 Grade Stainless Steel. AN Stands for Airforce & Navy Aeronautical Standards.
