purchase of spares for sludge transfer pump of make flowmore model no f5414a aws size 100x80 stage single for unit no . 10 , 11 at ph iv , stps sarni . , spares for sludge transfer pump ( model no . f5414a aws size-100x80 stage - single ) , hex . hd . cap screw ( part no . 6 ) , s . s . -316 , hex . hd . bolt with nut ( part no . 14 ) , s . s . -316 , flgd . col . pipe ( part no . 15 ) m . s . erw 3589 epoxy coated , flgd . top col . pipe ( part no . 20 ) m . s . erw 3589 epoxy coated , hex . hd . cap screw ( part no . 21 ) , s . s . -316 , stud bolt with nut ( part no . 23 ) , s . s . -316 , stud bolt with nut ( part no . 26 ) , s . s . -316 , hex . hd . cap screw ( part no . 29 ) , s . s . -316 , hex . hd . cap screw ( part no . 31 ) , s . s . -316 , hex . hd . bolt with nut ( part no . 35 ) , s . s . -316 , hex . hd . cap screw ( part no . 40 ) , s . s . -316 , stud bolt with nut ( part no . 42 ) , s . s . -316 , hex . hd . cap screw ( part no . 45 ) , s . s . -316 , hex . hd . bolt with nut ( part no . 48 ) , s . s . -316 , flange ( bottom disch . pipe ) ( part no . 49 ) , m . s . ( fab . ) , dowel pin ( part no . 8 ) , s . s . -316 , pressure reducing bush ( part no . 9 ) , bronze ( is-318 , ltb-v ) , shaft sleeve ( part no . 10 ) , s . s . -316 , oil seal ( part no . 11 ) , nitrile rubber , grub screw ( part no . 12 ) , s . s . -316 , brg . bushing ( part no . 13 ) , bronze ( is-318 , ltb-ii ) , pump shaft ( part no . 16 ) , s . s . -410 , pump shaft coupling ( part no . 17 ) , s . s . -410 ( 250-300 bhn ) , line shaft ( part no . 18 ) , s . s . -410 , top shaft sleeve ( part no . 19 ) , s . s . - 410 , l . s . coupling ( part no . 34 ) s . s . -410 ( 250-300 bhn ) , col . brg . housing ( part no . 36 ) 2% ni . c . i . ( is-210 , fg . 260 ) , col . brg . bushing shall ( part no . 37 ) bronze ( is-318 , ltb-ii ) , impeller key ( part no . 38 ) , s . s . - 304 , impeller nut ( nylock ) with washer ( part no . 39 ) , s . s . -316 , lock nut ( part no . 52 ) steel , packing box bush ( part no . 54 ) bronze ( is-318 , ltb-ii ) , top shaft sleeve ( part no . 55 ) , s . s . -316 , col . brg . bushing ( part no . 56 ) , cutless rubber