supply of 04 items of main transformers (wap-7 & wag-9)04 items of main transformers (wap-7 & wag-9),oil drain expansion tank (item no.32 as per general arrangement lot 7775 for three phase loco vide drawings reference no. hstn 423 635 p1, nb 314 210 p1004) as per specification no. clw/es/03/0508 fo r the main transformers for three phase electric locomotives of type wag9hc. [ warranty period: 30 month s after the date of delivery ] , oil level indicator (item no.34 as per general arrangement lot 7775 for three phase loco vide dr awings reference no. hstn 420 277 p15) as per specification no. clw/es/03/0508 for the main transformers f or three phase electric locomotives of type wag9hc. [ warranty period: 30 months after the date of delivery ] , elbow union for main transformer of three phase electric locomotives of type wag9hc as per s pecification no. clw/es/3/sk-5/0456 alt - j at sheet no. 21. [ warranty period: 30 months after the date of deli very ] , set of hose with nipple for main transformer of three phase electric locomotives of type wag9h c as per specification no. clw/es/3/sk-2/0456 alt - j , sr no. - 01 at sheet no. 18 . note : each set consistin g of 02 nos. of the hose with nipple. [ warranty period: 30 months after the date of delivery ] => limited