Focus System
0556-604800	Air Gage Assembly, model 1100
01-08-00572	Air Gage Assembly, model 1500-1700
03-06-00035	Air Gage Controller Board
0553-700813	Air Gage Sensor Board
0553-701156	Air Gauge Amplifier Board
0553-605000	Air Gauge Pressure Sensor
0500-700000	Aperture Cooling Plate
2602-000032	Filter, focus monitor
0526-576100	Focus Adjust Valve, porter style
2533-000030	Focus bounce adjustment valve
0556-636401	Focus Control Cable
2510-000001	Focus Control stepper motor belt
0556-636400	Focus drive/AMP Cable
0503-319200	Focus I/O board M191-1
4210-203000	Focus Monitor Ref. Model 250
4210-203100	Focus Monitor Ref. Model 250-1
0516-537100	Focus Monitor, Clean
0526-568100	Focus regulator Lower Fairchild
01-02-00272-01	Focus Regulator Upper fairchild
1025-001001	Pressure transducer for focus gage assembly
0526-570200-c	Solenoid, Clean, Universal, 2 way, w/ brass fittings
0526-570300-c	Solenoid, Clean, Universal, 3 way, w/ brass fittings
0526-570300-l	Solenoid, Clean, Upper diaphram large orifice
0509-485100	Vacuum / Pressure switch
5106-000001	Vacuum switch