The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-01-273-3159, 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 Eaton Corporation. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Semiconductor Device,thyristor |
| FSC / FSG | 5961 — Semiconductor Devices and Associated Hardware (FSG 59) |
| Manufacturers | Eaton Corporation (CAGE 31795); Siemens Components Inc Integrated Circuit Div (CAGE 0B549); Powerex, Inc. (CAGE 66844) |
| Parameter | Value |
|---|---|
| NSN | 5961-01-273-3159 |
| Primary Part Number | 143318020 |
| Item Name | Semiconductor Device,thyristor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Eaton Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| 143318020 PRIMARY | Eaton Corporation (USA) |
| 17612GYB | Siemens Components Inc Integrated Circuit Div (USA) |
| 143318020 | Powerex, Inc. (USA) |
| Reference | Meaning |
|---|---|
| ST173S12PFK1 | 5/2 Secondary reference U.S. Government activity |
| 151RL120T66 | 5/2 Secondary reference U.S. Government activity |
| T607121514FN | 5/1 Secondary reference Powerex, Inc. |
NSN 5961-01-273-3159 is a Semiconductor Device,thyristor, manufactured by Eaton Corporation, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-273-3159 has 3 manufacturer part numbers on file: 143318020 (Eaton Corporation), 17612GYB (Siemens Components Inc Integrated Circuit Div), 143318020 (Powerex, Inc.).
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.