20 1548-00

Counter, Mechanical - New Style w/o PCB CL4, 4/100, 6/100
Varian PN: 877922-01

20 1551-00

Relay, Mechanical Counter Reset (Old Style Hecon) - Clinacs

20 1552-00

Socket, Mechanical Counter (Old Style Hecon) - Clinacs

20 1555-00

COUNTER, DRIVE CIRCUIT PCB
Varian PN: 832344-01

20 1556-00

Counter, Electro-Mech. 24V .25/SEC
Varian PN: 23-800060

20 1580-00

Counter, Backup Dose - C Series
Varian PN: 23-800068

20 1590-00

Counter, Elapsed Time Indicator (99,999.9 Hours)-Siemens Mev
Siemens PN: 7994080

20 1546-00

COUNTER, BACKUP DOSE MINI 8 DIGIT LCD
VARIAN PN: 23-800072-70, 2380007270