90 5100-RC

PCB, Trimmer Board CL/4-100 Collimator

90 5103-0C

PCB, Arc Underspeed/Strobe Loss Det (IEC) - CL-6/100 (876439-02)

90 5104-RC

PCB, Arc Control (Old Style) - 4/100,6/100 (85077083)

90 5105-0C

PCB, Arc Control (New Style/Non Ind. Jaw) - 4/100,6/100 (883490-03)

90 5105-RC

PCB, Arc Control (New Style/Non Ind. Jaw) - 4/100,6/100 (883490-83)

90 5106-RC

PCB, Arc Control (New Style/Ind. Jaw Mach) - 4/100,6/100 (883490-84)

90 5107-RC

PCB, Arc Underspeed/Strobe Loss Det. - CL4/100,6/100 (851059-82)

90 5108-0C

PCB, Integrator #1 - CL4/100, 6/100 New (850717-13)