NAS Flat washers are used on military applications and ID and OD are tighter in size. 18-8 Stainless steel are corrosion resistant in fresh or rain water.
Product Specification:NAS Flat WasherInside Diameter: #416L, Max 0.255 - Min 0.245Outside Diameter: Max 0.468 - Min 0.458Thickness: Max 0.032 - Min 0.028 (Light)NAS - National Aerospace StandardsIFI Tolerances Apply
#416L NAS flat washers,stainless steel flat washer,nuts,bolts,fasteners,18-8 stainless steel
#416L NAS Flat Washers, ID .255, OD 468, TK .032, 18-8 Stainless Steel - Qty-2500