supply of set of thermoplastic polyurethane spring pad (happy pad)set of thermoplastic polyurethane spring pad (happy pad),set of thermoplastic polyurethane spring pads (happy pad) for primary & secondary sus pension of wap-4 locos as per rdso specn. no. mp-0.40.99.01 (rev-3) augut-2017 set consisting 02 i tems 80 nos. as under 1) spring pad for primary suspension to rdso drg. no skvl-282 =48 nos. 2) sp ring pad for secondary suspension to rdso drg. no. skvl-283 =32 nos. [ warranty period: 30 mont hs after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]