The Microcircuit, cataloged under National Stock Number 5962-01-034-9977, is classified within Federal Supply Class 5962 (Microcircuits, Electronic) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Keysight Technologies Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Microcircuit |
| FSC / FSG | 5962 — Microcircuits, Electronic (FSG 59) |
| Manufacturers | Keysight Technologies Inc (CAGE 7ZXR5); National Semiconductor Corporation (CAGE 27014) |
| Parameter | Value |
|---|---|
| NSN | 5962-01-034-9977 |
| Primary Part Number | 1820-1047 |
| Item Name | Microcircuit |
| FSC / FSG | 5962 / 59 — Microcircuits, Electronic |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 1820-1047 PRIMARY | Keysight Technologies Inc (USA) |
| SD22145 | National Semiconductor Corporation (USA) |
| Reference | Meaning |
|---|---|
| DM74L42AN | 5/9 Secondary reference National Semiconductor Corporation |
| 1820-1047 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 1820-1047 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 5962-01-034-9977 is a Microcircuit, manufactured by Keysight Technologies Inc, classified under FSC 5962, Microcircuits, Electronic. Status: active.
NSN 5962-01-034-9977 has 2 manufacturer part numbers on file: 1820-1047 (Keysight Technologies Inc), SD22145 (National Semiconductor Corporation).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.