supply of arai make pump spares , list of item ( s ) / work ( s ) as per tender documents , impeller , p/n-50 , mod:1 1/2 fm-131 , arai ; pumps , centrifugal make : arai pump mfg . co . ltd . model : 1 1/2 fm-131 ; impeller , p/n-50 ; item nos . : 10 to 90 pump tag no :9030-2061-ka-02-pa-1a/b pump model no: 1 1/2fm-131 pump sl no:31-j973 abs unit:lab , impeller nut , p/n-53 , 1 1/2 fm-131 , arai ; pumps , centrifugal make : arai pump mfg . co . ltd . model : 1 1/2 fm-131 ; impeller nut , p/n-53 ; , case wear ring , p/n-32 , 1 1/2 fm-131 , arai ; pumps , centrifugal make : arai pump mfg . co . ltd . model : 1 1/2 fm-131 ; case wear ring , p/n-32 ; , case wear ring set screw , p/n-32r ; pumps , centrifugal make : arai pump mfg . co . ltd . model : 1 1/2 fm-131 ; case wear ring set screw , p/n-32r ; , case sheet gasket , p/n-34 , 1 1/2 fm-131 ; pumps , centrifugal make : arai pump mfg . co . ltd . model : 1 1/2 fm-131 ; case sheet gasket , p/n-34 ; , labyrinth seal , p/n-11a&11b ; pumps , centrifugal make : arai pump mfg . co . ltd . model : 1 1/2 fm-131 ; labyrinth seal , p/n-11a&11b ; , bearing cover gasket , p/n-72g ; pumps , centrifugal make : arai pump mfg . co . ltd . model : 1 1/2 fm-131 ; bearing cover gasket , p/n-72g ; , shaft with keys , p/n-60 , 61 , 62 ; pumps , centrifugal make : arai pump mfg . co . ltd . model : 1 1/2 fm-131 ; shaft with keys , p/n-60 , 61 , 62 ; , defelector with set screws ; pumps , centrifugal make : arai pump mfg . co . ltd . model : 1 1/2 fm-131 ; defelector with set screws , p/n-181a , 181b , 181r ;