The complete parts package for the valve cover hardware. The package includes the items shown in the diagram below and will assist in holding the valve cover into place. This parts package can be used in the WPO12E, WPO12N, MPO12E, AND MPO12N waterer models.
Part A - OF572 #14575 SS Cotter Pin .094" Dia c 3/4"
Part B - OF573 #14573 SS Cotter Pin, 4 1/2" Length
Part C - OF570 #14574 SS Washer .344" ID x .75" OD
Part D - OF571 #14571 SS Spring .48" OD x 1 3/4" L