DIN 6798-A tooth lock washer, 10.5 x 18 x 0.9 mm, Article number 6798AA4105. Made in stainless steel a4. Tooth Lock Washer manufactured to DIN 6798-A. Standard parts to the same standard, property class, dimensions and surface finish are interchangeable between manufacturers; confirm the controlling standard revision, any class-society or application approval, and the mating thread before substitution. Applications: load distribution and locking under bolt heads and nuts in machine building, structural steel, plant maintenance and marine outfitting.