supply of spare parts of deep well hand pump india mark-ii conforming to i . s- 9301-1990 with latest amendment ( may be read along with ist amendment is 15500 ( part 1-7 ) 2004 with latest amendment for spares of india mark- ii , supplying of spare parts of drilled tubewells for india mark - ii conforming to is 15500 ( relevant part 1 to 8 ) / 2004 ( with latest amendment ) only from approved manufactures / suppliers from bis / unicef after proper verification of offer sheet , inspection certificate , marking & packing etc as per bis / unicef standard norms etc all complete , nitrile sealing ring mark -ii , hexagonal bolt 12x1 . 75x40mm , high tensile bolt 10mm dia , upper valve assembly complete set for i . m . ii , lower valve assembly complete set for i . m . ii , connecting rod 3mtr long with coupling & nut & electro galvanished , cylinder assembly complete set for mark-ii , nyloc nut 10x1 . 5 , ball bering 6204 z , chain with coupling , nitrile rubber cup washer i . m-ii & iii , hexagonal rod coupling ( 712x1 . 75x50mm ) , front cover ( g . i ) , handle assembly ( g . i . ) , plunger rod ( s . s ) for mark-ii , cylinder body with brass liner i . m-ii , gst @ 5%