DIN 127-B spring lock washer (form B), 6.1 x 11.8 x 1.6 mm, Article number 127A4061-SCH. Made in stainless steel a4. Spring Lock Washer manufactured to DIN 127. 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.