The Regulator,voltage, cataloged under National Stock Number 5963-01-603-4897, is classified within Federal Supply Class 5963 (Electronic Modules) of the Electrical and Electronic Equipment Components group. The manufacturer of record is National Semiconductor Corporation. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5963-01-603-4897 |
| Primary Part Number | LM2990S-12/NOPB |
| Item Name | Regulator,voltage |
| FSC / FSG | 5963 / 59 — Electronic Modules |
| Manufacturer | National Semiconductor Corporation |
| Status | ACTIVE |
| Mounting Method | TERMINAL AND FLANGE |
| Output Voltage Rating in Volts | 12.0 NOMINAL |
| Input Voltage Rating in Volts | 26.0 NOMINAL |
| Operating Temp Range | -40.0 TO 125.0 CELSIUS DEGC |
| Output Current Rating | 1.0 AMPERES MINIMUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| LM2990S-12/NOPB PRIMARY | National Semiconductor Corporation (USA) |
| Reference | Meaning |
|---|---|
| LM2990S-12/NOPB | 5/9 Secondary reference National Semiconductor Corp |
NSN 5963-01-603-4897 is a Regulator,voltage, manufactured by National Semiconductor Corporation, classified under FSC 5963, Electronic Modules. Status: active.
NSN 5963-01-603-4897 has 1 manufacturer part number on file: LM2990S-12/NOPB (National Semiconductor Corporation).
Key specifications for LM2990S-12/NOPB: Overall Height: 0.175 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN; Mounting Method: TERMINAL AND FLANGE; Overall Length: 0.565 INCHES MAXIMUM IN; Overall Width: 0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN. 5 specifications are documented in the U.S. Government catalog.
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.