supply of set of items for pantograph , set of items for pantograph type 23.03 and 22.03: (1) hydraulic damper, part no-909010006000, qty-02 nos, (2) pan head bearing, part no-909010016800 , qty-04 nos, (3) bellow for parallel guide bar ,part no-909010009200, qty-01 no, (4) filter element, part n o-909010008700,qty-01 no, (5) air pressure hose of air bellow drive part no 09010018500, qty-01 no, (6) leaf spring part no-909010016500, qty-04 nos. (one set consist of 06 items a nd 13 nos). pac in favour of m/s schunk carbon technology india pvt. make- schunk [ warranty period: 30 months after the date of delivery ] ]