supply of maintenance kit for levelling valve to escorts drg no 3eb6633 consisting of 15 items or knorr bremse part no ii68831 consisting of 15 items specn: ck-407 rev 04maintenance kit for levelling valve to escorts drg no 3eb6633 consisting of 15 items or knorr bremse part no ii68831 consisting of 15 items specn: ck-407 rev 04,maintenance kit for levelling valve to escorts drg no 3eb6633 consisting of 15 items or knorr bremse part no ii68831 consisting of 15 items specn: ck-407 rev 04 [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]