set of single duct leather bellow for traction motor 6fra6068 of wap7 w ag9 electric locomotives as per clw drg no 1209 01 018 029 alt 2 or latest and as per rdso spec no spec e 7 06 rev 2 of july 2002 consisting of i 02 nos of type i leather bellow ii 04 nos of type ii leather bellow warranty period 30 months after the date of delivery quantity tolerance 5 age item category normal total po value variation permitted max 8 lacs