supply of procurement of seal kit etc., for track machine. , valve as per plasser part no:90343 substitute 90339 and duncan part no. duncan pt. no. s3898. make: plasser, duncan ] , brake valve as per plasser part no. 90306. make: plasser, duncan ] , pneumatic cylinder as per plasser part no:pn2z-g 35/12/50 and duncan part no. nscc7 079. make: plasser, duncan ] , pneumatic cylinder as per plasser part no. pn2z-g.35/12/100 & duncan part no. nscc82 67 make: plasser , duncan ] , pneumatic cylinder as per plasser part no:pn2z-g.50/16/200 and duncan part no. nscc7 374. make: plasser, duncan ] , pneumatic cylinder as per plasser part no:pn2z-g.70/20/350 and duncan pt. no. nscc7 042 make: plasser, duncan ] , pneumatic cylinder as per plasser part no:pn2z-kf 50/18/70 and duncan part no. nscc7 669 make: plasser, duncan. ] , pneumatic cylinder as per plasser part no: pn2z-g.100/25/400 make: plasser, duncan ] , pneumatic cylinder as per plasser part no:pn2z-g.50/16/100 and duncan part no. nscc 8374 make: plasser, duncan ] , pneumatic cylinder as per plasser part no.pn2z-g.50/16/250 and duncan part no. nscc 6931, make: plasser , duncan ] , pneumatic cylinder seal kit-2.1/4 as per plasser part no:52112ds make: plasser, dunca n ] , pneumatic cylinder seal kit-3 as per plasser part no:52113ds make: plasser, duncan ] , pneumatic cylinder seal kit-4 as per plasser part no:52114ds make: plasser, duncan ] , seal kit as per plasser part no: pn2z-35ds make: plasser, duncan ] , seal kit as per plasser part no:pn2z-50ds. make: plasser, duncan ] , seal kit as per plasser part no:pn2z-70ds make: plasser, duncan ]