5962-01-034-9977 (1820-1047)
NSN 5962-01-034-9977 (NIIN 01-034-9977) is a microcircuit in Federal Supply Class 5962, Microcircuits, Electronic. Manufacturer part number 1820-1047 (Keysight Technologies Inc, CAGE 7ZXR5); also referenced as DM74L42AN, SD22145 (National Semiconductor Corporation).
NIIN assigned February 1977; DEMIL A (none required); ESD/EMI-sensitive; ships at 0.01 lb / 0.001 cu ft. Related NSN 5962-00-302-3963.