Style 12 Spring Washers have a scalloped periphery that further enhances spring resiliency at the expense of load bearing capacity.

sw69-2

Hole
Size
Inside Diameter
Min.
Inside Diameter
Max.
Outside Diameter
Min.
Outside Diameter
Max.
Free Height
Min.
Free Height
Max.
Thickness WCL Product Number
None 0 0 0.43 0.437 0.05 0.06 0.012 F-070012-1
0 0.059 0.065 0.832 0.833 0.08 0.105 0.013 3532-00-01