procurement and supply of spare of fdpa and id fans installed at boiler of 1 x 500mw unit sgtps mppgclbirsinghpur , fd fan (model:- ap1-26/16 , shaft d300 l1200 , sealing ring a14x18 , splash ring pl 28x335/230 , sealing ring a21x26 , simmer ring b2 si 16x290/265 , support ring 7.6x290/266 pl 16-d256/d300 , sealing ring a27x32 , assy sealing insert fd fan , o ring 5x350, viton , oring 5x305, viton , sealing ring a16x20 , hub disc fd fan , sealing ring sh 2xd18/d26 , locking ring 165x4 , locking disc 6.4 fd , rectangular piston ring d630/588x12 , grub screw m6x12 , o ring 98x3 vitonof sm fd , shaft seal ba 75/90x8 of fd , needle brg d65/85x28 , locking ring 85x3 of sm fd , locking ring 105x4 of sm fd , locking ring 65x2.5 of sm fd , grooved ball brg d100/85x18 (fag 6013) , control rod of sm fd , seal d64x0.5 of sm fd , groove ring , scrapper , blade shaft d-145 l-440 , pa fan (model:-ap2-20/12) , bearing housing (machined) pa , bearing cover assy pa , rotor shaft , sealing ring a12x16 pa , simmer ring bl u6 sl 195/220x16 pa , cylindrical helical spring (10x2 l18) pa , pin cylindrical rnd end 10x20 pa , sealring ring a27x32 pa , bearing bush d70/55x80 , distance ring (20x230x160) , splash ring of pa , sealing ring d14/18 , o ring 169.2x5.7 viton , actuating rod , circlip sb125x4 , locking dise-6.4 , scrapper au as d100/d110x7x10 , rectangular ring ( pistonring 400x371.6x10) , circlip sb 47x1.5 pa fan , lockin ring 65x2.5 of pa fan , bush of pa fan , control rod of pa fan , grooved ball bearing 62x35x14 pa fan , locking ring a35x1.5 of pa fan , o ring 70x3 viton of pa fan , ring of pa fan , groove ring , schnorr locking washer 8.4 , blade shaft d-105 l-351.6 , id fan (model ndzv) , labyrinth seal assy. , sealing for impeller (de) , sealing for impeller (nde) => limited