supplying of spare parts of india mark ii hand pumps under d. w. and s. division, saraikela of district saraikela-kharsawan. , supplying of spare parts for the drilled tube well for im ii confirming to is 15500 ( revevant part i to * ) 2004 ( with latest amendment ) only for app [ roved manufactrure / supplier from bis / unicef after proper verification of offer ssssheet , inspection certificate , marking and packing etc asper bis / unicef standard norms etc all complete upper valve assembly m ii , lower valve assembly m ii , cylinder complete set m ii , chain with coupling , front cover bolt m12 x 1.75mm , hexagonal bolt m12x1.75x40mm long , hexagonal nut m12x1.75 , chain bolt / high tensile bolt m10x1.5x40mm , uper valve guide ( g.m ) , check valve seat for im ii , nitrile rubber cup washer for m ii , water tank for im- ll , bs connecting rod , handle bar , plunger rod ( s.s ) for mark -ll , gi socket 32mm , ball bearing 6204z , axel pin , head assembly , nitrile rubber sealing ring mark-ii , gst @5%