CALIBRES MANUFACTURED BY MCO
MCO 24	QUARTZ W/OR W/O SEC
MCO 241	QUARTZ CALD W/CORR - W/OR W/O SEC
MCO 242	QUARTZ CALD (DAY/DATE) W/CORR W/OR W/O SEC
MCO 243	QUARTZ ANALOG SW SEC CAL
MCO 253	QUARTZ ANALOG DSS STOP SEC
MCO 255	QUARTZ ANALOG DSS STOP SEC CALD W/CORR
MCO 257	QUARTZ-ANALOG-DSS-STOP SEC-CALD (DAY -DATE)W/CORR.