The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-01-078-1674, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-078-1674 |
| Primary Part Number | 35-447 |
| Item Name | Semiconductor Device,thyristor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
| Status | ACTIVE |
| Semiconductor Material | SILICON |
| 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 |
|---|---|
| 35-447 PRIMARY | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
| 35-447 | Powerex, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 78-5298 | 5/9 Secondary reference International Rectifier Corporation |
| NL35-447 | 5/2 Secondary reference U.S. Government activity |
NSN 5961-01-078-1674 is a Semiconductor Device,thyristor, manufactured by Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-078-1674 has 2 manufacturer part numbers on file: 35-447 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), 35-447 (Powerex, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6645-01-279-7645. Verify interchangeability with system specifications before substitution.
Key specifications for 35-447: Semiconductor Material: SILICON. 1 specification is 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.