procurement of electrical spares of be-195b er shovels.-1 item1 module firing circuit fcm, part no. 15047214 2 item2 module bias power bpm, part no. 15047212 3 item3 rectifier scr, part no.15044345 4 item4 rectifier rec, part no. 15032365 5 item5 control resistance ( 1rh-12rh ) , part no. 5530900607 6 item6 transformer crowd excitation, part no. 12879353 7 item7 contactor dipper trip, part no. 12092665 8 item8 dc contactor, part no. 12092666 9 item9 switch crowd brake, part no. 12774380 10 item10 light dig indicating, part no. 17318917 11 item11 relay complete, part no.12576048 12 item12 relay propel field loss, part no. 12576821 13 item13 resistor propel armature .333 ohm, part no. 12594645 14 item14 top plate, part no. 17413440 15 item15 switch horn signal, part no. 17433500 16 item16 potentiometer propel current feedback, part no. 12619609 17 item17 rheostat assembly, part no. 15046118 18 item18 diode, part no. 62002170 => limited