MS - Military Standards. The overriding characteristics of MS fasteners compared to commercial products is the extensive inspection and lot tractability for MS, guaranteeing the chemical, physical and dimensional qualities.
Product Specification:NAS Flat WasherInside Diameter: 5/8", Max 0.656 - Min 0.636Outside Diameter: Max 1.312 - Min 1.302Thickness: Max 0.121 - Min 0.074MS - Military StandardsIFI Tolerances Apply
military standards,ms,5/8 SAE flat washers,stainless steel flat washer,nuts,bolts,fasteners,18-8 stainless steel
5/8"-820-SAE MS Flat Washers, ID .656, OD 1.312, TK .121, 18-8 Stainless Steel - Qty-2500