supply of kit for pantograph throttle valve etc. , kit for pantograph throttle valve to rdsos str no.-rdso/2008/el/str/0049 (rev.-2) for pantograph type ir 01 comprising of 4 items 4 nos. /set to m/s gsecs drg. nos. as follows duly approv ed by rdso similar to --- (1) ring type r no. 7 drg no. gsec/panto/042 = 1 no. (2) joint for valve drg no. gsec/panto/100 = 1 no.(3) piston ring drg no. gsec/panto/063 = 1 no. (4) joint drg no. gsec/p anto/111 = 1 no.(total qty.= 4 nos./set) or for pantograph type pan 01 comprising of 4 items 4 nos./ set to m/s concept rail engineens drg. nos. as follows-- (1) ring type r no.- 7 drg. no. 0103172 = 1 no. (2) joint for valve drg no.- 0103174 = 1 no. (3) piston ring drg no. 0103178 = 1 no. (4) joint drg n o. - 0103180 = 1 no.(total qty.= 4 nos./set). [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]