tender for set of spring seat shims/liners for wap4 locos. set consisting of 02 items. 1) wap4 primaryspring seat liner size: 5 mm thickness, od: 190mm, id: 105 mm. qty=24 nos. 2) wap4 secondary spring seatliner size: 5 mm thickness, od: 210mm, id: 130 mm. qty=16 nos.