supply of set of step size racer and thrower consisting of 4 items for wap-4 locoset of step size racer and thrower consisting of 4 items for wap-4 loco,set of step size racer and thrower consisting of 4 items for wap-4 loco. 1.thrower - 01 no to nei drg. no.x-186 part no.3 or f ag equivalent. 2. inner distance piece- 01 no to nei drg. no.x-186 part no.4 or fag equivalent. 3. inner racer rb-5062- 02 nos. to nei drg. no.x-18 6 or fag equivalent. 4. loose lip no. 5064- 01 no. to nei drg. no.x-186 part no.22 a or fag equivalent. makes: nbc/fag only. [ warranty period: 30 m onths after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]