bids are invited for supply of part no. 999.12.907.50 o-ring sili _valve cover to valve holder- suction lp_ of main air compressor t-btd-rm , supply of part no. 194.00.217.50 packing _suction and deliver valve- lp_ of main air compressor t-btd-rm , supply of part no. 194.00.218.50 packing _ deliver valve- lp_ of main air compressor t-btd-rm , supply of part no. 281.00.205.50 packing _cylinder to inner and outer cover- hp_ of main air compressor t-btd-rm , supply of part no. 281.00.152.50 packing _cylinder to valve assembly - hp_ of main air compressor t-btd-rm , supply of part no. 246.00.714.50 sealing ring _valve cover to valve holder_ hp of main air compressor t-btd-rm , supply of part no. 281.00.319.50 compression ring - lp of main air compressor t-btd-rm , supply of part no. 281.00.320.50 wear ring - lp of main air compressor t-btd-rm , supply of part no. 281.00.334.50 sealing ring assembly of main air compressor t-btd-rm , supply of part no. 999.01.851.50 hex head bolt _for sealing ring_ of main air compressor t-btd-rm , supply of part no. 999.06.616.50 hex nut _for sealing ring_ of main air compressor t-btd-rm , supply of part no. 999.11.250.50 spring washer _for sealing ring_ of main air compressor t-btd-rm , supply of part no. 281.00.363.50 compression ring - hp of main air compressor t-btd-rm , supply of part no. 281.00.364.50 wear ring - hp of main air compressor t-btd-rm , supply of part no. 281.00.423.50 cross head guide cover of main air compressor t-btd-rm , supply of part no. 281.01.020.50 assly of 3 pieces packing with gs _ radial_ of main air compressor t-btd-rm , supply of part no. 281.01.021.50 assly of 3 piece packing _tangent_ of main air compressor t-btd-rm , supply of part no. 251.02.525.50 bearing of main air compressor t-btd-rm , supply of part no. 251.02.532.50 adapter sleeve assly of main air compressor t-btd-rm , supply of part no. 282.01.507.50 air suction filter cum silencer assly of main air compressor t-btd-rm , supply of part no. 030