supply of set of maintenance spares for transformer oil filtration plant, capacity 1000/3000/5000 lph.set of maintenance spares for transformer oil filtration plant, capacity 1000/3000/5000 lph.,set of maintenance spares for transformer oil filtration plant , capacity 1000/3000/5000 lph. one set consisting of 3 items-22 nos. details are as under (1) oil seal 40x25x7mm, qty.-2 nos. (2 ) heater element 2 kw, qty.- 18 nos. (3) vacuum gauge 0-760 mhg 1/4 back on, qty.- 2 nos. note: th is item is used for electric locos (wag-7). [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]