supply of pantograph assembly , pantograph assembly complete for high speed ac locomotives with motor assembly, m echanism assembly, throttle valve assembly and fitted with metalized carbon strips as per rdso drg . no. skel-4303 [rev-6] (without panto mounting insulators). 1) pantograph as per clw specn. no. cl w/es/p-5 alt.f. 2) metallized carbon strips should be of rdso approved makes only viz. m/s. acpl, gu wahati [grade-my7d] , m/s. mersen india [carbone lorraine]/bangalore [grade-p5696] or m/s.schunk metal, bangalore [grade-bh 424 c1] confirming to rdso specn. no. rdso/2009/el/spec/0097 rev.-1 sept. 2013. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]