supply of procurement of electrical spares for track machines , coil (solenoid valve) for air dryer as per plasser part no. 4420197142, make - plass er or its equivalent ] , potentiometer as per plasser part no. el-t496.02, make - plasser imp or its equivalent. ] , connector plug as per plasser part no. ez75r/2 sub part no. ez75r, make -plasser or it s equivalent. ] , usb asdopter data as per plasser part no. pp.el.usb0000001, make - plasser or its equ ivalent. ] , dual usb charger socket as per plasser part no. pp.bop.0504, make- plasser or its eq uivalent ] , halogen bulb (head light) as per plasser part no. 24vdc/100-90w, make- plasser or it s equivalent ]