Set of 400mm sweep BLDC 110V DC Fan spares RDSO Spec. No. RDSO/ PE/ SPEC/ TL/ 0021/ 2005 ( Rev. 3 ) with Amendment No. 1. or latest. a ) Set of MS Crashworthy guard ( Top & Bottom ) as per ICF Revised Drawing No. ICF/ SK- 7- 6- 158 Alt. G. Col. II ( Modified design or latest )- 01no./ set b ) Beading Ring finished with silver ash powder coating and ready to use- 01 no/ set.