900 Series Stainless Steel Flat Washers - Air Force & Navy Aeronautical Standards
A 900 series flat washer has a round outer diameter with a center hole (inner diameter) punched to the size of the bolt or screw size. Flat washers are normally used to distribute loads of threaded bolts, screws and nuts evenly as the fastener is tightened. 900 Series washers feature a smaller outside diameter (OD) than Standard Flat Washers. AN960C 900 Series Flat washers are available in standard and light (L) thicknesses. AN960C Flat Washers in 18-8 Stainless Steel are corrosion resistant and are used in military applications. AN 900 series flat washers meet standards for the Navy and Air Force, which is where the washers receive the "AN" name.
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