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: #6, Max 0.156 - Min 0.150Outside Diameter: Max 0.312 - Min 0.302Thickness: Max 0.048 - Min 0.027MS - Military StandardsIFI Tolerances Apply
military standards,ms,#6 flat washers,stainless steel flat washer,nuts,bolts,fasteners,18-8 stainless steel
#6-805 MS Flat Washers, ID .156, OD .312, TK .048, 18-8 Stainless Steel - Qty-1000