procurement of cylinders, air dryer, hose, stop cock etc., for the use of track machines., container as per plasser pt no. 90356. make: plasser, schrader, knorr or its equivalent , working cylinder as per plasser part no: pn1z-ml.50 / 12 / 63 & substitute part no. 90233 and duncan part no. nscc 7670, make: plasser, duncan, itt or its equivalent , compressed air cylinder as per plasser part no:glf311.1053 make: plasser, duncan, itt or its equivalent , pneumatic cylinder as per plasser part no. pn2z-g.50 / 16 / 150 & duncan part no nscc7040, make: plasser, duncan or its equivalent. , pneumatic cylinder as per plasser part no. pn2z-g.50 / 16 / 200 & duncan part no. nscc7374, make: plasser, duncan or its equivalent. , pneumatic cylinder as per plasser part no. pn2z-kf.50 / 18 / 70 & duncan part no. nscc7669, make: plasser, duncan or its equivalent. , pneumatic cylinders as per plasser part no. pn2z-0.25 / 10 / 40 / rzf, make - plasser imp or its equivalent , pneumatic cylinder as per plasser part no. pn2z-g.70 / 20 / 400 & duncan part no. nscc6932, make: plasser, duncan or its equivalent. , hose assembly as per plasser part no. 90267, make: plasser or its equivalent dy.ce / cpoh / tm / rayanapadu andhra pradesh 10.00 numbers , compression hose as per plasser part no. 90291-s, make : plasser imp or its equivalent , teflon corrugated hose pipe as per plasser part no : 90433-a / 500; make - plasser imp or its equivalent , hose as per plasser part no. 90433-a / 600, make - plasser or its equivalent , air dryer as per plasser part no. 90187b and substitute part no. 90187a. make: plasser imp, wabco imp or its equivalent dy.ce / cpoh / tm / rayanapadu andhra pradesh 24.00 numbers , stop cock as per plasser part no: 90259 and duncan part no. ax9547, make: plasser imp, duncan or its equivalent. dy.ce / cpoh / tm / rayanapadu andhra pradesh 13.00 numbers