procurement of spares for bdepl make feeder breaker model bd400 fs as per nit , item description , picks , part no . bd400fs-514 , fluid coupling , part no . bd400fs-1100 , fluid coupling , part no . bd400fs-1200 , cover , part no . bd400fs404 , variable frequency drive for chain , conveyor , part no . bd 400 fs 1042 , dust seal , part no . bd400fs405 , rotating bush for crusher roll , part no . bd 400 fs 523 , rotating bush for head shaft , part no . bd 400 fs 318 , blind cover , part no . bd 400 fs 304 , cover , part no . bd 400 fs 305 , dust seal , part no . bd 400 fs 306 , rotating bush for tail end shaft , part no . bd 400 fs 418